19932796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 39160800

約数和(自身を除く): 19228004

約数列:

[1, 2, 4, 13, 26, 52, 59, 73, 89, 118, 146, 178, 236, 292, 356, 767, 949, 1157, 1534, 1898, 2314, 3068, 3796, 4307, 4628, 5251, 6497, 8614, 10502, 12994, 17228, 21004, 25988, 55991, 68263, 84461, 111982, 136526, 168922, 223964, 273052, 337844, 383323, 766646, 1533292, 4983199, 9966398, 19932796]

約数ペア:

[(1, 19932796), (2, 9966398), (4, 4983199), (13, 1533292), (26, 766646), (52, 383323), (59, 337844), (73, 273052), (89, 223964), (118, 168922), (146, 136526), (178, 111982), (236, 84461), (292, 68263), (356, 55991), (767, 25988), (949, 21004), (1157, 17228), (1534, 12994), (1898, 10502), (2314, 8614), (3068, 6497), (3796, 5251), (4307, 4628)]