19225800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{971}}^1$

素因数の和:1004

約数の個数: 144

約数和(自身を含む): 70508880

約数和(自身を除く): 51283080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 971, 990, 1100, 1320, 1650, 1800, 1942, 1980, 2200, 2475, 2913, 3300, 3884, 3960, 4855, 4950, 5826, 6600, 7768, 8739, 9710, 9900, 10681, 11652, 14565, 17478, 19420, 19800, 21362, 23304, 24275, 29130, 32043, 34956, 38840, 42724, 43695, 48550, 53405, 58260, 64086, 69912, 72825, 85448, 87390, 96129, 97100, 106810, 116520, 128172, 145650, 160215, 174780, 192258, 194200, 213620, 218475, 256344, 267025, 291300, 320430, 349560, 384516, 427240, 436950, 480645, 534050, 582600, 640860, 769032, 801075, 873900, 961290, 1068100, 1281720, 1602150, 1747800, 1922580, 2136200, 2403225, 3204300, 3845160, 4806450, 6408600, 9612900, 19225800]

約数ペア:

[(1, 19225800), (2, 9612900), (3, 6408600), (4, 4806450), (5, 3845160), (6, 3204300), (8, 2403225), (9, 2136200), (10, 1922580), (11, 1747800), (12, 1602150), (15, 1281720), (18, 1068100), (20, 961290), (22, 873900), (24, 801075), (25, 769032), (30, 640860), (33, 582600), (36, 534050), (40, 480645), (44, 436950), (45, 427240), (50, 384516), (55, 349560), (60, 320430), (66, 291300), (72, 267025), (75, 256344), (88, 218475), (90, 213620), (99, 194200), (100, 192258), (110, 174780), (120, 160215), (132, 145650), (150, 128172), (165, 116520), (180, 106810), (198, 97100), (200, 96129), (220, 87390), (225, 85448), (264, 72825), (275, 69912), (300, 64086), (330, 58260), (360, 53405), (396, 48550), (440, 43695), (450, 42724), (495, 38840), (550, 34956), (600, 32043), (660, 29130), (792, 24275), (825, 23304), (900, 21362), (971, 19800), (990, 19420), (1100, 17478), (1320, 14565), (1650, 11652), (1800, 10681), (1942, 9900), (1980, 9710), (2200, 8739), (2475, 7768), (2913, 6600), (3300, 5826), (3884, 4950), (3960, 4855)]