18985260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2659}}^1$

素因数の和:2695

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 45365460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2659, 3570, 5318, 7140, 7977, 10636, 13295, 15954, 18613, 26590, 31908, 37226, 39885, 45203, 53180, 55839, 74452, 79770, 90406, 93065, 111678, 135609, 159540, 180812, 186130, 223356, 226015, 271218, 279195, 316421, 372260, 452030, 542436, 558390, 632842, 678045, 904060, 949263, 1116780, 1265684, 1356090, 1582105, 1898526, 2712180, 3164210, 3797052, 4746315, 6328420, 9492630, 18985260]

約数ペア:

[(1, 18985260), (2, 9492630), (3, 6328420), (4, 4746315), (5, 3797052), (6, 3164210), (7, 2712180), (10, 1898526), (12, 1582105), (14, 1356090), (15, 1265684), (17, 1116780), (20, 949263), (21, 904060), (28, 678045), (30, 632842), (34, 558390), (35, 542436), (42, 452030), (51, 372260), (60, 316421), (68, 279195), (70, 271218), (84, 226015), (85, 223356), (102, 186130), (105, 180812), (119, 159540), (140, 135609), (170, 111678), (204, 93065), (210, 90406), (238, 79770), (255, 74452), (340, 55839), (357, 53180), (420, 45203), (476, 39885), (510, 37226), (595, 31908), (714, 26590), (1020, 18613), (1190, 15954), (1428, 13295), (1785, 10636), (2380, 7977), (2659, 7140), (3570, 5318)]