18466390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 16370090

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 839, 1678, 2201, 4195, 4402, 8390, 11005, 22010, 26009, 52018, 59569, 119138, 130045, 260090, 297845, 595690, 1846639, 3693278, 9233195, 18466390]

約数ペア:

[(1, 18466390), (2, 9233195), (5, 3693278), (10, 1846639), (31, 595690), (62, 297845), (71, 260090), (142, 130045), (155, 119138), (310, 59569), (355, 52018), (710, 26009), (839, 22010), (1678, 11005), (2201, 8390), (4195, 4402)]