19121060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2316

約数の個数: 48

約数和(自身を含む): 46663680

約数和(自身を除く): 27542620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 2239, 4270, 4478, 8540, 8956, 11195, 15673, 22390, 31346, 44780, 62692, 78365, 136579, 156730, 273158, 313460, 546316, 682895, 956053, 1365790, 1912106, 2731580, 3824212, 4780265, 9560530, 19121060]

約数ペア:

[(1, 19121060), (2, 9560530), (4, 4780265), (5, 3824212), (7, 2731580), (10, 1912106), (14, 1365790), (20, 956053), (28, 682895), (35, 546316), (61, 313460), (70, 273158), (122, 156730), (140, 136579), (244, 78365), (305, 62692), (427, 44780), (610, 31346), (854, 22390), (1220, 15673), (1708, 11195), (2135, 8956), (2239, 8540), (4270, 4478)]