18739128

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 49075200

約数和(自身を除く): 30336072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 89, 93, 124, 178, 186, 248, 267, 283, 356, 372, 534, 566, 712, 744, 849, 1068, 1132, 1698, 2136, 2264, 2759, 3396, 5518, 6792, 8277, 8773, 11036, 16554, 17546, 22072, 25187, 26319, 33108, 35092, 50374, 52638, 66216, 70184, 75561, 100748, 105276, 151122, 201496, 210552, 302244, 604488, 780797, 1561594, 2342391, 3123188, 4684782, 6246376, 9369564, 18739128]

約数ペア:

[(1, 18739128), (2, 9369564), (3, 6246376), (4, 4684782), (6, 3123188), (8, 2342391), (12, 1561594), (24, 780797), (31, 604488), (62, 302244), (89, 210552), (93, 201496), (124, 151122), (178, 105276), (186, 100748), (248, 75561), (267, 70184), (283, 66216), (356, 52638), (372, 50374), (534, 35092), (566, 33108), (712, 26319), (744, 25187), (849, 22072), (1068, 17546), (1132, 16554), (1698, 11036), (2136, 8773), (2264, 8277), (2759, 6792), (3396, 5518)]