19519264

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 41518008

約数和(自身を除く): 21998744

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 68, 106, 136, 212, 272, 424, 544, 677, 848, 901, 1354, 1696, 1802, 2708, 3604, 5416, 7208, 10832, 11509, 14416, 21664, 23018, 28832, 35881, 46036, 71762, 92072, 143524, 184144, 287048, 368288, 574096, 609977, 1148192, 1219954, 2439908, 4879816, 9759632, 19519264]

約数ペア:

[(1, 19519264), (2, 9759632), (4, 4879816), (8, 2439908), (16, 1219954), (17, 1148192), (32, 609977), (34, 574096), (53, 368288), (68, 287048), (106, 184144), (136, 143524), (212, 92072), (272, 71762), (424, 46036), (544, 35881), (677, 28832), (848, 23018), (901, 21664), (1354, 14416), (1696, 11509), (1802, 10832), (2708, 7208), (3604, 5416)]