18639630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2917}}^1$

素因数の和:3001

約数の個数: 48

約数和(自身を含む): 49162464

約数和(自身を除く): 30522834

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 2917, 3195, 5834, 6390, 8751, 14585, 17502, 26253, 29170, 43755, 52506, 87510, 131265, 207107, 262530, 414214, 621321, 1035535, 1242642, 1863963, 2071070, 3106605, 3727926, 6213210, 9319815, 18639630]

約数ペア:

[(1, 18639630), (2, 9319815), (3, 6213210), (5, 3727926), (6, 3106605), (9, 2071070), (10, 1863963), (15, 1242642), (18, 1035535), (30, 621321), (45, 414214), (71, 262530), (90, 207107), (142, 131265), (213, 87510), (355, 52506), (426, 43755), (639, 29170), (710, 26253), (1065, 17502), (1278, 14585), (2130, 8751), (2917, 6390), (3195, 5834)]