19175660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 49641984

約数和(自身を除く): 30466324

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1151, 1190, 1666, 2302, 2380, 3332, 4165, 4604, 5755, 8057, 8330, 11510, 16114, 16660, 19567, 23020, 32228, 39134, 40285, 56399, 78268, 80570, 97835, 112798, 136969, 161140, 195670, 225596, 273938, 281995, 391340, 547876, 563990, 684845, 958783, 1127980, 1369690, 1917566, 2739380, 3835132, 4793915, 9587830, 19175660]

約数ペア:

[(1, 19175660), (2, 9587830), (4, 4793915), (5, 3835132), (7, 2739380), (10, 1917566), (14, 1369690), (17, 1127980), (20, 958783), (28, 684845), (34, 563990), (35, 547876), (49, 391340), (68, 281995), (70, 273938), (85, 225596), (98, 195670), (119, 161140), (140, 136969), (170, 112798), (196, 97835), (238, 80570), (245, 78268), (340, 56399), (476, 40285), (490, 39134), (595, 32228), (833, 23020), (980, 19567), (1151, 16660), (1190, 16114), (1666, 11510), (2302, 8330), (2380, 8057), (3332, 5755), (4165, 4604)]