18688248

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{719}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 53492400

約数和(自身を除く): 34804152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 719, 722, 1083, 1368, 1438, 1444, 2157, 2166, 2876, 2888, 3249, 4314, 4332, 5752, 6471, 6498, 8628, 8664, 12942, 12996, 13661, 17256, 25884, 25992, 27322, 40983, 51768, 54644, 81966, 109288, 122949, 163932, 245898, 259559, 327864, 491796, 519118, 778677, 983592, 1038236, 1557354, 2076472, 2336031, 3114708, 4672062, 6229416, 9344124, 18688248]

約数ペア:

[(1, 18688248), (2, 9344124), (3, 6229416), (4, 4672062), (6, 3114708), (8, 2336031), (9, 2076472), (12, 1557354), (18, 1038236), (19, 983592), (24, 778677), (36, 519118), (38, 491796), (57, 327864), (72, 259559), (76, 245898), (114, 163932), (152, 122949), (171, 109288), (228, 81966), (342, 54644), (361, 51768), (456, 40983), (684, 27322), (719, 25992), (722, 25884), (1083, 17256), (1368, 13661), (1438, 12996), (1444, 12942), (2157, 8664), (2166, 8628), (2876, 6498), (2888, 6471), (3249, 5752), (4314, 4332)]