18373840

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{953}}^1$

素因数の和:1207

約数の個数: 40

約数和(自身を含む): 42941448

約数和(自身を除く): 24567608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 953, 964, 1205, 1906, 1928, 2410, 3812, 3856, 4765, 4820, 7624, 9530, 9640, 15248, 19060, 19280, 38120, 76240, 229673, 459346, 918692, 1148365, 1837384, 2296730, 3674768, 4593460, 9186920, 18373840]

約数ペア:

[(1, 18373840), (2, 9186920), (4, 4593460), (5, 3674768), (8, 2296730), (10, 1837384), (16, 1148365), (20, 918692), (40, 459346), (80, 229673), (241, 76240), (482, 38120), (953, 19280), (964, 19060), (1205, 15248), (1906, 9640), (1928, 9530), (2410, 7624), (3812, 4820), (3856, 4765)]