19497216

素因数分解:

$2^8\times 3^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 52980480

約数和(自身を除く): 33483264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 128, 159, 192, 212, 256, 318, 384, 424, 479, 636, 768, 848, 958, 1272, 1437, 1696, 1916, 2544, 2874, 3392, 3832, 5088, 5748, 6784, 7664, 10176, 11496, 13568, 15328, 20352, 22992, 25387, 30656, 40704, 45984, 50774, 61312, 76161, 91968, 101548, 122624, 152322, 183936, 203096, 304644, 367872, 406192, 609288, 812384, 1218576, 1624768, 2437152, 3249536, 4874304, 6499072, 9748608, 19497216]

約数ペア:

[(1, 19497216), (2, 9748608), (3, 6499072), (4, 4874304), (6, 3249536), (8, 2437152), (12, 1624768), (16, 1218576), (24, 812384), (32, 609288), (48, 406192), (53, 367872), (64, 304644), (96, 203096), (106, 183936), (128, 152322), (159, 122624), (192, 101548), (212, 91968), (256, 76161), (318, 61312), (384, 50774), (424, 45984), (479, 40704), (636, 30656), (768, 25387), (848, 22992), (958, 20352), (1272, 15328), (1437, 13568), (1696, 11496), (1916, 10176), (2544, 7664), (2874, 6784), (3392, 5748), (3832, 5088)]