19944078

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30859122

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 343, 462, 539, 686, 881, 1029, 1078, 1617, 1762, 2058, 2643, 3234, 3773, 5286, 6167, 7546, 9691, 11319, 12334, 18501, 19382, 22638, 29073, 37002, 43169, 58146, 67837, 86338, 129507, 135674, 203511, 259014, 302183, 407022, 474859, 604366, 906549, 949718, 1424577, 1813098, 2849154, 3324013, 6648026, 9972039, 19944078]

約数ペア:

[(1, 19944078), (2, 9972039), (3, 6648026), (6, 3324013), (7, 2849154), (11, 1813098), (14, 1424577), (21, 949718), (22, 906549), (33, 604366), (42, 474859), (49, 407022), (66, 302183), (77, 259014), (98, 203511), (147, 135674), (154, 129507), (231, 86338), (294, 67837), (343, 58146), (462, 43169), (539, 37002), (686, 29073), (881, 22638), (1029, 19382), (1078, 18501), (1617, 12334), (1762, 11319), (2058, 9691), (2643, 7546), (3234, 6167), (3773, 5286)]