18743556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2267}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 48009024

約数和(自身を除く): 29265468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2267, 2756, 4134, 4534, 6801, 8268, 9068, 13602, 27204, 29471, 58942, 88413, 117884, 120151, 176826, 240302, 353652, 360453, 480604, 720906, 1441812, 1561963, 3123926, 4685889, 6247852, 9371778, 18743556]

約数ペア:

[(1, 18743556), (2, 9371778), (3, 6247852), (4, 4685889), (6, 3123926), (12, 1561963), (13, 1441812), (26, 720906), (39, 480604), (52, 360453), (53, 353652), (78, 240302), (106, 176826), (156, 120151), (159, 117884), (212, 88413), (318, 58942), (636, 29471), (689, 27204), (1378, 13602), (2067, 9068), (2267, 8268), (2756, 6801), (4134, 4534)]