19621305

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 38787840

約数和(自身を除く): 19166535

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 73, 99, 135, 165, 181, 219, 297, 365, 495, 543, 657, 803, 905, 1095, 1485, 1629, 1971, 1991, 2409, 2715, 3285, 4015, 4887, 5973, 7227, 8145, 9855, 9955, 12045, 13213, 17919, 21681, 24435, 29865, 36135, 39639, 53757, 66065, 89595, 108405, 118917, 145343, 198195, 268785, 356751, 436029, 594585, 726715, 1308087, 1783755, 2180145, 3924261, 6540435, 19621305]

約数ペア:

[(1, 19621305), (3, 6540435), (5, 3924261), (9, 2180145), (11, 1783755), (15, 1308087), (27, 726715), (33, 594585), (45, 436029), (55, 356751), (73, 268785), (99, 198195), (135, 145343), (165, 118917), (181, 108405), (219, 89595), (297, 66065), (365, 53757), (495, 39639), (543, 36135), (657, 29865), (803, 24435), (905, 21681), (1095, 17919), (1485, 13213), (1629, 12045), (1971, 9955), (1991, 9855), (2409, 8145), (2715, 7227), (3285, 5973), (4015, 4887)]