19243962

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 45549504

約数和(自身を除く): 26305542

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 47, 69, 86, 94, 129, 138, 141, 207, 258, 282, 387, 414, 423, 529, 774, 846, 989, 1058, 1081, 1587, 1978, 2021, 2162, 2967, 3174, 3243, 4042, 4761, 5934, 6063, 6486, 8901, 9522, 9729, 12126, 17802, 18189, 19458, 22747, 24863, 36378, 45494, 46483, 49726, 68241, 74589, 92966, 136482, 139449, 149178, 204723, 223767, 278898, 409446, 418347, 447534, 836694, 1069109, 2138218, 3207327, 6414654, 9621981, 19243962]

約数ペア:

[(1, 19243962), (2, 9621981), (3, 6414654), (6, 3207327), (9, 2138218), (18, 1069109), (23, 836694), (43, 447534), (46, 418347), (47, 409446), (69, 278898), (86, 223767), (94, 204723), (129, 149178), (138, 139449), (141, 136482), (207, 92966), (258, 74589), (282, 68241), (387, 49726), (414, 46483), (423, 45494), (529, 36378), (774, 24863), (846, 22747), (989, 19458), (1058, 18189), (1081, 17802), (1587, 12126), (1978, 9729), (2021, 9522), (2162, 8901), (2967, 6486), (3174, 6063), (3243, 5934), (4042, 4761)]