18289936

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:632

約数の個数: 60

約数和(自身を含む): 42301980

約数和(自身を除く): 24012044

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 98, 112, 164, 196, 287, 328, 392, 569, 574, 656, 784, 1138, 1148, 2009, 2276, 2296, 3983, 4018, 4552, 4592, 7966, 8036, 9104, 15932, 16072, 23329, 27881, 31864, 32144, 46658, 55762, 63728, 93316, 111524, 163303, 186632, 223048, 326606, 373264, 446096, 653212, 1143121, 1306424, 2286242, 2612848, 4572484, 9144968, 18289936]

約数ペア:

[(1, 18289936), (2, 9144968), (4, 4572484), (7, 2612848), (8, 2286242), (14, 1306424), (16, 1143121), (28, 653212), (41, 446096), (49, 373264), (56, 326606), (82, 223048), (98, 186632), (112, 163303), (164, 111524), (196, 93316), (287, 63728), (328, 55762), (392, 46658), (569, 32144), (574, 31864), (656, 27881), (784, 23329), (1138, 16072), (1148, 15932), (2009, 9104), (2276, 8036), (2296, 7966), (3983, 4592), (4018, 4552)]