19912200

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:468

約数の個数: 192

約数和(自身を含む): 77137920

約数和(自身を除く): 57225720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 50, 55, 56, 60, 66, 70, 75, 77, 84, 88, 100, 105, 110, 120, 132, 140, 150, 154, 165, 168, 175, 200, 210, 220, 231, 264, 275, 280, 300, 308, 330, 350, 385, 420, 431, 440, 462, 525, 550, 600, 616, 660, 700, 770, 825, 840, 862, 924, 1050, 1100, 1155, 1293, 1320, 1400, 1540, 1650, 1724, 1848, 1925, 2100, 2155, 2200, 2310, 2586, 3017, 3080, 3300, 3448, 3850, 4200, 4310, 4620, 4741, 5172, 5775, 6034, 6465, 6600, 7700, 8620, 9051, 9240, 9482, 10344, 10775, 11550, 12068, 12930, 14223, 15085, 15400, 17240, 18102, 18964, 21550, 23100, 23705, 24136, 25860, 28446, 30170, 32325, 33187, 36204, 37928, 43100, 45255, 46200, 47410, 51720, 56892, 60340, 64650, 66374, 71115, 72408, 75425, 86200, 90510, 94820, 99561, 113784, 118525, 120680, 129300, 132748, 142230, 150850, 165935, 181020, 189640, 199122, 226275, 237050, 258600, 265496, 284460, 301700, 331870, 355575, 362040, 398244, 452550, 474100, 497805, 568920, 603400, 663740, 711150, 796488, 829675, 905100, 948200, 995610, 1327480, 1422300, 1659350, 1810200, 1991220, 2489025, 2844600, 3318700, 3982440, 4978050, 6637400, 9956100, 19912200]

約数ペア:

[(1, 19912200), (2, 9956100), (3, 6637400), (4, 4978050), (5, 3982440), (6, 3318700), (7, 2844600), (8, 2489025), (10, 1991220), (11, 1810200), (12, 1659350), (14, 1422300), (15, 1327480), (20, 995610), (21, 948200), (22, 905100), (24, 829675), (25, 796488), (28, 711150), (30, 663740), (33, 603400), (35, 568920), (40, 497805), (42, 474100), (44, 452550), (50, 398244), (55, 362040), (56, 355575), (60, 331870), (66, 301700), (70, 284460), (75, 265496), (77, 258600), (84, 237050), (88, 226275), (100, 199122), (105, 189640), (110, 181020), (120, 165935), (132, 150850), (140, 142230), (150, 132748), (154, 129300), (165, 120680), (168, 118525), (175, 113784), (200, 99561), (210, 94820), (220, 90510), (231, 86200), (264, 75425), (275, 72408), (280, 71115), (300, 66374), (308, 64650), (330, 60340), (350, 56892), (385, 51720), (420, 47410), (431, 46200), (440, 45255), (462, 43100), (525, 37928), (550, 36204), (600, 33187), (616, 32325), (660, 30170), (700, 28446), (770, 25860), (825, 24136), (840, 23705), (862, 23100), (924, 21550), (1050, 18964), (1100, 18102), (1155, 17240), (1293, 15400), (1320, 15085), (1400, 14223), (1540, 12930), (1650, 12068), (1724, 11550), (1848, 10775), (1925, 10344), (2100, 9482), (2155, 9240), (2200, 9051), (2310, 8620), (2586, 7700), (3017, 6600), (3080, 6465), (3300, 6034), (3448, 5775), (3850, 5172), (4200, 4741), (4310, 4620)]