18898530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2951

約数の個数: 64

約数和(自身を含む): 53526528

約数和(自身を除く): 34627998

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 2903, 3255, 5806, 6510, 8709, 14515, 17418, 20321, 29030, 40642, 43545, 60963, 87090, 89993, 101605, 121926, 179986, 203210, 269979, 304815, 449965, 539958, 609630, 629951, 899930, 1259902, 1349895, 1889853, 2699790, 3149755, 3779706, 6299510, 9449265, 18898530]

約数ペア:

[(1, 18898530), (2, 9449265), (3, 6299510), (5, 3779706), (6, 3149755), (7, 2699790), (10, 1889853), (14, 1349895), (15, 1259902), (21, 899930), (30, 629951), (31, 609630), (35, 539958), (42, 449965), (62, 304815), (70, 269979), (93, 203210), (105, 179986), (155, 121926), (186, 101605), (210, 89993), (217, 87090), (310, 60963), (434, 43545), (465, 40642), (651, 29030), (930, 20321), (1085, 17418), (1302, 14515), (2170, 8709), (2903, 6510), (3255, 5806)]