19781687952

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{812857}}^1$

素因数の和:812897

約数の個数: 90

約数和(自身を含む): 59947464642

約数和(自身を除く): 40165776690

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 936, 1014, 1352, 1521, 1872, 2028, 2704, 3042, 4056, 6084, 8112, 12168, 24336, 812857, 1625714, 2438571, 3251428, 4877142, 6502856, 7315713, 9754284, 10567141, 13005712, 14631426, 19508568, 21134282, 29262852, 31701423, 39017136, 42268564, 58525704, 63402846, 84537128, 95104269, 117051408, 126805692, 137372833, 169074256, 190208538, 253611384, 274745666, 380417076, 412118499, 507222768, 549491332, 760834152, 824236998, 1098982664, 1236355497, 1521668304, 1648473996, 2197965328, 2472710994, 3296947992, 4945421988, 6593895984, 9890843976, 19781687952]

約数ペア:

[(1, 19781687952), (2, 9890843976), (3, 6593895984), (4, 4945421988), (6, 3296947992), (8, 2472710994), (9, 2197965328), (12, 1648473996), (13, 1521668304), (16, 1236355497), (18, 1098982664), (24, 824236998), (26, 760834152), (36, 549491332), (39, 507222768), (48, 412118499), (52, 380417076), (72, 274745666), (78, 253611384), (104, 190208538), (117, 169074256), (144, 137372833), (156, 126805692), (169, 117051408), (208, 95104269), (234, 84537128), (312, 63402846), (338, 58525704), (468, 42268564), (507, 39017136), (624, 31701423), (676, 29262852), (936, 21134282), (1014, 19508568), (1352, 14631426), (1521, 13005712), (1872, 10567141), (2028, 9754284), (2704, 7315713), (3042, 6502856), (4056, 4877142), (6084, 3251428), (8112, 2438571), (12168, 1625714), (24336, 812857)]