19157380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 46174464

約数和(自身を除く): 27017084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 53, 55, 62, 106, 110, 124, 155, 212, 220, 265, 310, 341, 530, 583, 620, 682, 1060, 1166, 1364, 1643, 1705, 2332, 2809, 2915, 3286, 3410, 5618, 5830, 6572, 6820, 8215, 11236, 11660, 14045, 16430, 18073, 28090, 30899, 32860, 36146, 56180, 61798, 72292, 87079, 90365, 123596, 154495, 174158, 180730, 308990, 348316, 361460, 435395, 617980, 870790, 957869, 1741580, 1915738, 3831476, 4789345, 9578690, 19157380]

約数ペア:

[(1, 19157380), (2, 9578690), (4, 4789345), (5, 3831476), (10, 1915738), (11, 1741580), (20, 957869), (22, 870790), (31, 617980), (44, 435395), (53, 361460), (55, 348316), (62, 308990), (106, 180730), (110, 174158), (124, 154495), (155, 123596), (212, 90365), (220, 87079), (265, 72292), (310, 61798), (341, 56180), (530, 36146), (583, 32860), (620, 30899), (682, 28090), (1060, 18073), (1166, 16430), (1364, 14045), (1643, 11660), (1705, 11236), (2332, 8215), (2809, 6820), (2915, 6572), (3286, 5830), (3410, 5618)]