18994776

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 49183200

約数和(自身を除く): 30188424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 109, 137, 159, 212, 218, 274, 318, 327, 411, 424, 436, 548, 636, 654, 822, 872, 1096, 1272, 1308, 1644, 2616, 3288, 5777, 7261, 11554, 14522, 14933, 17331, 21783, 23108, 29044, 29866, 34662, 43566, 44799, 46216, 58088, 59732, 69324, 87132, 89598, 119464, 138648, 174264, 179196, 358392, 791449, 1582898, 2374347, 3165796, 4748694, 6331592, 9497388, 18994776]

約数ペア:

[(1, 18994776), (2, 9497388), (3, 6331592), (4, 4748694), (6, 3165796), (8, 2374347), (12, 1582898), (24, 791449), (53, 358392), (106, 179196), (109, 174264), (137, 138648), (159, 119464), (212, 89598), (218, 87132), (274, 69324), (318, 59732), (327, 58088), (411, 46216), (424, 44799), (436, 43566), (548, 34662), (636, 29866), (654, 29044), (822, 23108), (872, 21783), (1096, 17331), (1272, 14933), (1308, 14522), (1644, 11554), (2616, 7261), (3288, 5777)]