18973552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4801}}^1$

素因数の和:4841

約数の個数: 40

約数和(自身を含む): 41681360

約数和(自身を除く): 22707808

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4801, 9602, 19204, 38408, 62413, 76816, 91219, 124826, 182438, 249652, 364876, 499304, 729752, 998608, 1185847, 1459504, 2371694, 4743388, 9486776, 18973552]

約数ペア:

[(1, 18973552), (2, 9486776), (4, 4743388), (8, 2371694), (13, 1459504), (16, 1185847), (19, 998608), (26, 729752), (38, 499304), (52, 364876), (76, 249652), (104, 182438), (152, 124826), (208, 91219), (247, 76816), (304, 62413), (494, 38408), (988, 19204), (1976, 9602), (3952, 4801)]