17828980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 41207040

約数和(自身を除く): 23378060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1459, 2444, 2918, 3055, 5836, 6110, 7295, 12220, 14590, 18967, 29180, 37934, 68573, 75868, 94835, 137146, 189670, 274292, 342865, 379340, 685730, 891449, 1371460, 1782898, 3565796, 4457245, 8914490, 17828980]

約数ペア:

[(1, 17828980), (2, 8914490), (4, 4457245), (5, 3565796), (10, 1782898), (13, 1371460), (20, 891449), (26, 685730), (47, 379340), (52, 342865), (65, 274292), (94, 189670), (130, 137146), (188, 94835), (235, 75868), (260, 68573), (470, 37934), (611, 29180), (940, 18967), (1222, 14590), (1459, 12220), (2444, 7295), (2918, 6110), (3055, 5836)]