19613330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 40711680

約数和(自身を除く): 21098350

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 61, 74, 79, 110, 122, 158, 185, 305, 370, 395, 407, 610, 671, 790, 814, 869, 1342, 1738, 2035, 2257, 2923, 3355, 4070, 4345, 4514, 4819, 5846, 6710, 8690, 9638, 11285, 14615, 22570, 24095, 24827, 29230, 32153, 48190, 49654, 53009, 64306, 106018, 124135, 160765, 178303, 248270, 265045, 321530, 356606, 530090, 891515, 1783030, 1961333, 3922666, 9806665, 19613330]

約数ペア:

[(1, 19613330), (2, 9806665), (5, 3922666), (10, 1961333), (11, 1783030), (22, 891515), (37, 530090), (55, 356606), (61, 321530), (74, 265045), (79, 248270), (110, 178303), (122, 160765), (158, 124135), (185, 106018), (305, 64306), (370, 53009), (395, 49654), (407, 48190), (610, 32153), (671, 29230), (790, 24827), (814, 24095), (869, 22570), (1342, 14615), (1738, 11285), (2035, 9638), (2257, 8690), (2923, 6710), (3355, 5846), (4070, 4819), (4345, 4514)]