18506502

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 47439360

約数和(自身を除く): 28932858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 173, 189, 283, 346, 378, 519, 566, 849, 1038, 1211, 1557, 1698, 1981, 2422, 2547, 3114, 3633, 3962, 4671, 5094, 5943, 7266, 7641, 9342, 10899, 11886, 15282, 17829, 21798, 32697, 35658, 48959, 53487, 65394, 97918, 106974, 146877, 293754, 342713, 440631, 685426, 881262, 1028139, 1321893, 2056278, 2643786, 3084417, 6168834, 9253251, 18506502]

約数ペア:

[(1, 18506502), (2, 9253251), (3, 6168834), (6, 3084417), (7, 2643786), (9, 2056278), (14, 1321893), (18, 1028139), (21, 881262), (27, 685426), (42, 440631), (54, 342713), (63, 293754), (126, 146877), (173, 106974), (189, 97918), (283, 65394), (346, 53487), (378, 48959), (519, 35658), (566, 32697), (849, 21798), (1038, 17829), (1211, 15282), (1557, 11886), (1698, 10899), (1981, 9342), (2422, 7641), (2547, 7266), (3114, 5943), (3633, 5094), (3962, 4671)]