19258688

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 56

約数和(自身を含む): 41842944

約数和(自身を除く): 22584256

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 571, 992, 1054, 1088, 1142, 1984, 2108, 2284, 4216, 4568, 8432, 9136, 9707, 16864, 17701, 18272, 19414, 33728, 35402, 36544, 38828, 70804, 77656, 141608, 155312, 283216, 300917, 310624, 566432, 601834, 621248, 1132864, 1203668, 2407336, 4814672, 9629344, 19258688]

約数ペア:

[(1, 19258688), (2, 9629344), (4, 4814672), (8, 2407336), (16, 1203668), (17, 1132864), (31, 621248), (32, 601834), (34, 566432), (62, 310624), (64, 300917), (68, 283216), (124, 155312), (136, 141608), (248, 77656), (272, 70804), (496, 38828), (527, 36544), (544, 35402), (571, 33728), (992, 19414), (1054, 18272), (1088, 17701), (1142, 16864), (1984, 9707), (2108, 9136), (2284, 8432), (4216, 4568)]