18134320

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{541}}^1$

素因数の和:973

約数の個数: 40

約数和(自身を含む): 42341040

約数和(自身を除く): 24206720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 541, 838, 1082, 1676, 2095, 2164, 2705, 3352, 4190, 4328, 5410, 6704, 8380, 8656, 10820, 16760, 21640, 33520, 43280, 226679, 453358, 906716, 1133395, 1813432, 2266790, 3626864, 4533580, 9067160, 18134320]

約数ペア:

[(1, 18134320), (2, 9067160), (4, 4533580), (5, 3626864), (8, 2266790), (10, 1813432), (16, 1133395), (20, 906716), (40, 453358), (80, 226679), (419, 43280), (541, 33520), (838, 21640), (1082, 16760), (1676, 10820), (2095, 8656), (2164, 8380), (2705, 6704), (3352, 5410), (4190, 4328)]