18201510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1019

約数の個数: 80

約数和(自身を含む): 51122016

約数和(自身を除く): 32920506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 270, 345, 405, 414, 621, 690, 810, 977, 1035, 1242, 1863, 1954, 2070, 2931, 3105, 3726, 4885, 5862, 6210, 8793, 9315, 9770, 14655, 17586, 18630, 22471, 26379, 29310, 43965, 44942, 52758, 67413, 79137, 87930, 112355, 131895, 134826, 158274, 202239, 224710, 263790, 337065, 395685, 404478, 606717, 674130, 791370, 1011195, 1213434, 1820151, 2022390, 3033585, 3640302, 6067170, 9100755, 18201510]

約数ペア:

[(1, 18201510), (2, 9100755), (3, 6067170), (5, 3640302), (6, 3033585), (9, 2022390), (10, 1820151), (15, 1213434), (18, 1011195), (23, 791370), (27, 674130), (30, 606717), (45, 404478), (46, 395685), (54, 337065), (69, 263790), (81, 224710), (90, 202239), (115, 158274), (135, 134826), (138, 131895), (162, 112355), (207, 87930), (230, 79137), (270, 67413), (345, 52758), (405, 44942), (414, 43965), (621, 29310), (690, 26379), (810, 22471), (977, 18630), (1035, 17586), (1242, 14655), (1863, 9770), (1954, 9315), (2070, 8793), (2931, 6210), (3105, 5862), (3726, 4885)]