18858420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1663}}^1$

素因数の和:1691

約数の個数: 120

約数和(自身を含む): 67651584

約数和(自身を除く): 48793164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1663, 1890, 2268, 2835, 3326, 3780, 4989, 5670, 6652, 8315, 9978, 11340, 11641, 14967, 16630, 19956, 23282, 24945, 29934, 33260, 34923, 44901, 46564, 49890, 58205, 59868, 69846, 74835, 89802, 99780, 104769, 116410, 134703, 139692, 149670, 174615, 179604, 209538, 224505, 232820, 269406, 299340, 314307, 349230, 419076, 449010, 523845, 538812, 628614, 673515, 698460, 898020, 942921, 1047690, 1257228, 1347030, 1571535, 1885842, 2095380, 2694060, 3143070, 3771684, 4714605, 6286140, 9429210, 18858420]

約数ペア:

[(1, 18858420), (2, 9429210), (3, 6286140), (4, 4714605), (5, 3771684), (6, 3143070), (7, 2694060), (9, 2095380), (10, 1885842), (12, 1571535), (14, 1347030), (15, 1257228), (18, 1047690), (20, 942921), (21, 898020), (27, 698460), (28, 673515), (30, 628614), (35, 538812), (36, 523845), (42, 449010), (45, 419076), (54, 349230), (60, 314307), (63, 299340), (70, 269406), (81, 232820), (84, 224505), (90, 209538), (105, 179604), (108, 174615), (126, 149670), (135, 139692), (140, 134703), (162, 116410), (180, 104769), (189, 99780), (210, 89802), (252, 74835), (270, 69846), (315, 59868), (324, 58205), (378, 49890), (405, 46564), (420, 44901), (540, 34923), (567, 33260), (630, 29934), (756, 24945), (810, 23282), (945, 19956), (1134, 16630), (1260, 14967), (1620, 11641), (1663, 11340), (1890, 9978), (2268, 8315), (2835, 6652), (3326, 5670), (3780, 4989)]