19617840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2477}}^1$

素因数の和:2507

約数の個数: 120

約数和(自身を含む): 71901648

約数和(自身を除く): 52283808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2477, 2640, 3960, 4954, 7431, 7920, 9908, 12385, 14862, 19816, 22293, 24770, 27247, 29724, 37155, 39632, 44586, 49540, 54494, 59448, 74310, 81741, 89172, 99080, 108988, 111465, 118896, 136235, 148620, 163482, 178344, 198160, 217976, 222930, 245223, 272470, 297240, 326964, 356688, 408705, 435952, 445860, 490446, 544940, 594480, 653928, 817410, 891720, 980892, 1089880, 1226115, 1307856, 1634820, 1783440, 1961784, 2179760, 2452230, 3269640, 3923568, 4904460, 6539280, 9808920, 19617840]

約数ペア:

[(1, 19617840), (2, 9808920), (3, 6539280), (4, 4904460), (5, 3923568), (6, 3269640), (8, 2452230), (9, 2179760), (10, 1961784), (11, 1783440), (12, 1634820), (15, 1307856), (16, 1226115), (18, 1089880), (20, 980892), (22, 891720), (24, 817410), (30, 653928), (33, 594480), (36, 544940), (40, 490446), (44, 445860), (45, 435952), (48, 408705), (55, 356688), (60, 326964), (66, 297240), (72, 272470), (80, 245223), (88, 222930), (90, 217976), (99, 198160), (110, 178344), (120, 163482), (132, 148620), (144, 136235), (165, 118896), (176, 111465), (180, 108988), (198, 99080), (220, 89172), (240, 81741), (264, 74310), (330, 59448), (360, 54494), (396, 49540), (440, 44586), (495, 39632), (528, 37155), (660, 29724), (720, 27247), (792, 24770), (880, 22293), (990, 19816), (1320, 14862), (1584, 12385), (1980, 9908), (2477, 7920), (2640, 7431), (3960, 4954)]