19685536

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22650464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 599, 632, 1027, 1198, 1264, 2054, 2396, 2528, 4108, 4792, 7787, 8216, 9584, 15574, 16432, 19168, 31148, 32864, 47321, 62296, 94642, 124592, 189284, 249184, 378568, 615173, 757136, 1230346, 1514272, 2460692, 4921384, 9842768, 19685536]

約数ペア:

[(1, 19685536), (2, 9842768), (4, 4921384), (8, 2460692), (13, 1514272), (16, 1230346), (26, 757136), (32, 615173), (52, 378568), (79, 249184), (104, 189284), (158, 124592), (208, 94642), (316, 62296), (416, 47321), (599, 32864), (632, 31148), (1027, 19168), (1198, 16432), (1264, 15574), (2054, 9584), (2396, 8216), (2528, 7787), (4108, 4792)]