1815996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 5218304

約数和(自身を除く): 3402308

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 1663, 3326, 4989, 6652, 9978, 11641, 19956, 21619, 23282, 34923, 43238, 46564, 64857, 69846, 86476, 129714, 139692, 151333, 259428, 302666, 453999, 605332, 907998, 1815996]

約数ペア:

[(1, 1815996), (2, 907998), (3, 605332), (4, 453999), (6, 302666), (7, 259428), (12, 151333), (13, 139692), (14, 129714), (21, 86476), (26, 69846), (28, 64857), (39, 46564), (42, 43238), (52, 34923), (78, 23282), (84, 21619), (91, 19956), (156, 11641), (182, 9978), (273, 6652), (364, 4989), (546, 3326), (1092, 1663)]