18696880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8059}}^1$

素因数の和:8101

約数の個数: 40

約数和(自身を含む): 44974800

約数和(自身を除く): 26277920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8059, 16118, 32236, 40295, 64472, 80590, 128944, 161180, 233711, 322360, 467422, 644720, 934844, 1168555, 1869688, 2337110, 3739376, 4674220, 9348440, 18696880]

約数ペア:

[(1, 18696880), (2, 9348440), (4, 4674220), (5, 3739376), (8, 2337110), (10, 1869688), (16, 1168555), (20, 934844), (29, 644720), (40, 467422), (58, 322360), (80, 233711), (116, 161180), (145, 128944), (232, 80590), (290, 64472), (464, 40295), (580, 32236), (1160, 16118), (2320, 8059)]