16491380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 36374016

約数和(自身を除く): 19882636

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 397, 620, 670, 794, 1340, 1588, 1985, 2077, 3970, 4154, 7940, 8308, 10385, 12307, 20770, 24614, 26599, 41540, 49228, 53198, 61535, 106396, 123070, 132995, 246140, 265990, 531980, 824569, 1649138, 3298276, 4122845, 8245690, 16491380]

約数ペア:

[(1, 16491380), (2, 8245690), (4, 4122845), (5, 3298276), (10, 1649138), (20, 824569), (31, 531980), (62, 265990), (67, 246140), (124, 132995), (134, 123070), (155, 106396), (268, 61535), (310, 53198), (335, 49228), (397, 41540), (620, 26599), (670, 24614), (794, 20770), (1340, 12307), (1588, 10385), (1985, 8308), (2077, 7940), (3970, 4154)]