18138540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2273}}^1$

素因数の和:2311

約数の個数: 96

約数和(自身を含む): 61125120

約数和(自身を除く): 42986580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2273, 2660, 3990, 4546, 6819, 7980, 9092, 11365, 13638, 15911, 22730, 27276, 31822, 34095, 43187, 45460, 47733, 63644, 68190, 79555, 86374, 95466, 129561, 136380, 159110, 172748, 190932, 215935, 238665, 259122, 302309, 318220, 431870, 477330, 518244, 604618, 647805, 863740, 906927, 954660, 1209236, 1295610, 1511545, 1813854, 2591220, 3023090, 3627708, 4534635, 6046180, 9069270, 18138540]

約数ペア:

[(1, 18138540), (2, 9069270), (3, 6046180), (4, 4534635), (5, 3627708), (6, 3023090), (7, 2591220), (10, 1813854), (12, 1511545), (14, 1295610), (15, 1209236), (19, 954660), (20, 906927), (21, 863740), (28, 647805), (30, 604618), (35, 518244), (38, 477330), (42, 431870), (57, 318220), (60, 302309), (70, 259122), (76, 238665), (84, 215935), (95, 190932), (105, 172748), (114, 159110), (133, 136380), (140, 129561), (190, 95466), (210, 86374), (228, 79555), (266, 68190), (285, 63644), (380, 47733), (399, 45460), (420, 43187), (532, 34095), (570, 31822), (665, 27276), (798, 22730), (1140, 15911), (1330, 13638), (1596, 11365), (1995, 9092), (2273, 7980), (2660, 6819), (3990, 4546)]