18380016

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1294

約数の個数: 60

約数和(自身を含む): 51954760

約数和(自身を除く): 33574744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1171, 1308, 1744, 1962, 2342, 2616, 3513, 3924, 4684, 5232, 7026, 7848, 9368, 10539, 14052, 15696, 18736, 21078, 28104, 42156, 56208, 84312, 127639, 168624, 255278, 382917, 510556, 765834, 1021112, 1148751, 1531668, 2042224, 2297502, 3063336, 4595004, 6126672, 9190008, 18380016]

約数ペア:

[(1, 18380016), (2, 9190008), (3, 6126672), (4, 4595004), (6, 3063336), (8, 2297502), (9, 2042224), (12, 1531668), (16, 1148751), (18, 1021112), (24, 765834), (36, 510556), (48, 382917), (72, 255278), (109, 168624), (144, 127639), (218, 84312), (327, 56208), (436, 42156), (654, 28104), (872, 21078), (981, 18736), (1171, 15696), (1308, 14052), (1744, 10539), (1962, 9368), (2342, 7848), (2616, 7026), (3513, 5232), (3924, 4684)]