18655142730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1289}}^1\times {\mathrm{68917}}^1$

素因数の和:70223

約数の個数: 64

約数和(自身を含む): 51208830720

約数和(自身を除く): 32553687990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1289, 2578, 3867, 6445, 7734, 9023, 12890, 18046, 19335, 27069, 38670, 45115, 54138, 68917, 90230, 135345, 137834, 206751, 270690, 344585, 413502, 482419, 689170, 964838, 1033755, 1447257, 2067510, 2412095, 2894514, 4824190, 7236285, 14472570, 88834013, 177668026, 266502039, 444170065, 533004078, 621838091, 888340130, 1243676182, 1332510195, 1865514273, 2665020390, 3109190455, 3731028546, 6218380910, 9327571365, 18655142730]

約数ペア:

[(1, 18655142730), (2, 9327571365), (3, 6218380910), (5, 3731028546), (6, 3109190455), (7, 2665020390), (10, 1865514273), (14, 1332510195), (15, 1243676182), (21, 888340130), (30, 621838091), (35, 533004078), (42, 444170065), (70, 266502039), (105, 177668026), (210, 88834013), (1289, 14472570), (2578, 7236285), (3867, 4824190), (6445, 2894514), (7734, 2412095), (9023, 2067510), (12890, 1447257), (18046, 1033755), (19335, 964838), (27069, 689170), (38670, 482419), (45115, 413502), (54138, 344585), (68917, 270690), (90230, 206751), (135345, 137834)]