16863380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 20392300

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 461, 590, 620, 922, 1180, 1829, 1844, 2305, 3658, 4610, 7316, 9145, 9220, 14291, 18290, 27199, 28582, 36580, 54398, 57164, 71455, 108796, 135995, 142910, 271990, 285820, 543980, 843169, 1686338, 3372676, 4215845, 8431690, 16863380]

約数ペア:

[(1, 16863380), (2, 8431690), (4, 4215845), (5, 3372676), (10, 1686338), (20, 843169), (31, 543980), (59, 285820), (62, 271990), (118, 142910), (124, 135995), (155, 108796), (236, 71455), (295, 57164), (310, 54398), (461, 36580), (590, 28582), (620, 27199), (922, 18290), (1180, 14291), (1829, 9220), (1844, 9145), (2305, 7316), (3658, 4610)]