18789108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2801}}^1$

素因数の和:2864

約数の個数: 48

約数和(自身を含む): 48328896

約数和(自身を除く): 29539788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 2801, 3354, 5602, 6708, 8403, 11204, 16806, 33612, 36413, 72826, 109239, 120443, 145652, 218478, 240886, 361329, 436956, 481772, 722658, 1445316, 1565759, 3131518, 4697277, 6263036, 9394554, 18789108]

約数ペア:

[(1, 18789108), (2, 9394554), (3, 6263036), (4, 4697277), (6, 3131518), (12, 1565759), (13, 1445316), (26, 722658), (39, 481772), (43, 436956), (52, 361329), (78, 240886), (86, 218478), (129, 145652), (156, 120443), (172, 109239), (258, 72826), (516, 36413), (559, 33612), (1118, 16806), (1677, 11204), (2236, 8403), (2801, 6708), (3354, 5602)]