18639912

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 50299200

約数和(自身を除く): 31659288

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 41, 57, 76, 82, 114, 123, 152, 164, 228, 246, 328, 456, 492, 779, 984, 997, 1558, 1994, 2337, 2991, 3116, 3988, 4674, 5982, 6232, 7976, 9348, 11964, 18696, 18943, 23928, 37886, 40877, 56829, 75772, 81754, 113658, 122631, 151544, 163508, 227316, 245262, 327016, 454632, 490524, 776663, 981048, 1553326, 2329989, 3106652, 4659978, 6213304, 9319956, 18639912]

約数ペア:

[(1, 18639912), (2, 9319956), (3, 6213304), (4, 4659978), (6, 3106652), (8, 2329989), (12, 1553326), (19, 981048), (24, 776663), (38, 490524), (41, 454632), (57, 327016), (76, 245262), (82, 227316), (114, 163508), (123, 151544), (152, 122631), (164, 113658), (228, 81754), (246, 75772), (328, 56829), (456, 40877), (492, 37886), (779, 23928), (984, 18943), (997, 18696), (1558, 11964), (1994, 9348), (2337, 7976), (2991, 6232), (3116, 5982), (3988, 4674)]