18537534535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1\times {\mathrm{4273}}^1$

素因数の和:6475

約数の個数: 32

約数和(自身を含む): 24746254848

約数和(自身を除く): 6208720313

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 2153, 4273, 10765, 21365, 27989, 55549, 66743, 132463, 139945, 277745, 333715, 662315, 867659, 1722019, 4338295, 8610095, 9199769, 45998845, 119596997, 285192839, 597984985, 1425964195, 3707506907, 18537534535]

約数ペア:

[(1, 18537534535), (5, 3707506907), (13, 1425964195), (31, 597984985), (65, 285192839), (155, 119596997), (403, 45998845), (2015, 9199769), (2153, 8610095), (4273, 4338295), (10765, 1722019), (21365, 867659), (27989, 662315), (55549, 333715), (66743, 277745), (132463, 139945)]