19716090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 50937984

約数和(自身を除く): 31221894

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 67, 85, 102, 134, 170, 201, 255, 335, 402, 510, 577, 670, 1005, 1139, 1154, 1731, 2010, 2278, 2885, 3417, 3462, 5695, 5770, 6834, 8655, 9809, 11390, 17085, 17310, 19618, 29427, 34170, 38659, 49045, 58854, 77318, 98090, 115977, 147135, 193295, 231954, 294270, 386590, 579885, 657203, 1159770, 1314406, 1971609, 3286015, 3943218, 6572030, 9858045, 19716090]

約数ペア:

[(1, 19716090), (2, 9858045), (3, 6572030), (5, 3943218), (6, 3286015), (10, 1971609), (15, 1314406), (17, 1159770), (30, 657203), (34, 579885), (51, 386590), (67, 294270), (85, 231954), (102, 193295), (134, 147135), (170, 115977), (201, 98090), (255, 77318), (335, 58854), (402, 49045), (510, 38659), (577, 34170), (670, 29427), (1005, 19618), (1139, 17310), (1154, 17085), (1731, 11390), (2010, 9809), (2278, 8655), (2885, 6834), (3417, 5770), (3462, 5695)]