18723684

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{4549}}^1$

素因数の和:4577

約数の個数: 48

約数和(自身を含む): 50960000

約数和(自身を除く): 32236316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 4549, 9098, 13647, 18196, 27294, 31843, 54588, 63686, 95529, 127372, 191058, 222901, 382116, 445802, 668703, 891604, 1337406, 1560307, 2674812, 3120614, 4680921, 6241228, 9361842, 18723684]

約数ペア:

[(1, 18723684), (2, 9361842), (3, 6241228), (4, 4680921), (6, 3120614), (7, 2674812), (12, 1560307), (14, 1337406), (21, 891604), (28, 668703), (42, 445802), (49, 382116), (84, 222901), (98, 191058), (147, 127372), (196, 95529), (294, 63686), (343, 54588), (588, 31843), (686, 27294), (1029, 18196), (1372, 13647), (2058, 9098), (4116, 4549)]