18271330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 41783040

約数和(自身を除く): 23511710

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 61, 70, 77, 110, 122, 154, 305, 385, 389, 427, 610, 671, 770, 778, 854, 1342, 1945, 2135, 2723, 3355, 3890, 4270, 4279, 4697, 5446, 6710, 8558, 9394, 13615, 21395, 23485, 23729, 27230, 29953, 42790, 46970, 47458, 59906, 118645, 149765, 166103, 237290, 261019, 299530, 332206, 522038, 830515, 1305095, 1661030, 1827133, 2610190, 3654266, 9135665, 18271330]

約数ペア:

[(1, 18271330), (2, 9135665), (5, 3654266), (7, 2610190), (10, 1827133), (11, 1661030), (14, 1305095), (22, 830515), (35, 522038), (55, 332206), (61, 299530), (70, 261019), (77, 237290), (110, 166103), (122, 149765), (154, 118645), (305, 59906), (385, 47458), (389, 46970), (427, 42790), (610, 29953), (671, 27230), (770, 23729), (778, 23485), (854, 21395), (1342, 13615), (1945, 9394), (2135, 8558), (2723, 6710), (3355, 5446), (3890, 4697), (4270, 4279)]