18753040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13789}}^1$

素因数の和:13819

約数の個数: 40

約数和(自身を含む): 46168920

約数和(自身を除く): 27415880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13789, 27578, 55156, 68945, 110312, 137890, 220624, 234413, 275780, 468826, 551560, 937652, 1103120, 1172065, 1875304, 2344130, 3750608, 4688260, 9376520, 18753040]

約数ペア:

[(1, 18753040), (2, 9376520), (4, 4688260), (5, 3750608), (8, 2344130), (10, 1875304), (16, 1172065), (17, 1103120), (20, 937652), (34, 551560), (40, 468826), (68, 275780), (80, 234413), (85, 220624), (136, 137890), (170, 110312), (272, 68945), (340, 55156), (680, 27578), (1360, 13789)]