18940624

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 38033280

約数和(自身を除く): 19092656

約数列:

[1, 2, 4, 8, 16, 47, 89, 94, 178, 188, 283, 356, 376, 566, 712, 752, 1132, 1424, 2264, 4183, 4528, 8366, 13301, 16732, 25187, 26602, 33464, 50374, 53204, 66928, 100748, 106408, 201496, 212816, 402992, 1183789, 2367578, 4735156, 9470312, 18940624]

約数ペア:

[(1, 18940624), (2, 9470312), (4, 4735156), (8, 2367578), (16, 1183789), (47, 402992), (89, 212816), (94, 201496), (178, 106408), (188, 100748), (283, 66928), (356, 53204), (376, 50374), (566, 33464), (712, 26602), (752, 25187), (1132, 16732), (1424, 13301), (2264, 8366), (4183, 4528)]