19881498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2801}}^1$

素因数の和:2839

約数の個数: 48

約数和(自身を含む): 49225536

約数和(自身を除く): 29344038

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 169, 182, 273, 338, 507, 546, 1014, 1183, 2366, 2801, 3549, 5602, 7098, 8403, 16806, 19607, 36413, 39214, 58821, 72826, 109239, 117642, 218478, 254891, 473369, 509782, 764673, 946738, 1420107, 1529346, 2840214, 3313583, 6627166, 9940749, 19881498]

約数ペア:

[(1, 19881498), (2, 9940749), (3, 6627166), (6, 3313583), (7, 2840214), (13, 1529346), (14, 1420107), (21, 946738), (26, 764673), (39, 509782), (42, 473369), (78, 254891), (91, 218478), (169, 117642), (182, 109239), (273, 72826), (338, 58821), (507, 39214), (546, 36413), (1014, 19607), (1183, 16806), (2366, 8403), (2801, 7098), (3549, 5602)]