19994615412

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{76163}}^1$

素因数の和:76468

約数の個数: 48

約数和(自身を含む): 47292360192

約数和(自身を除く): 27297744780

約数列:

[1, 2, 3, 4, 6, 12, 131, 167, 262, 334, 393, 501, 524, 668, 786, 1002, 1572, 2004, 21877, 43754, 65631, 76163, 87508, 131262, 152326, 228489, 262524, 304652, 456978, 913956, 9977353, 12719221, 19954706, 25438442, 29932059, 38157663, 39909412, 50876884, 59864118, 76315326, 119728236, 152630652, 1666217951, 3332435902, 4998653853, 6664871804, 9997307706, 19994615412]

約数ペア:

[(1, 19994615412), (2, 9997307706), (3, 6664871804), (4, 4998653853), (6, 3332435902), (12, 1666217951), (131, 152630652), (167, 119728236), (262, 76315326), (334, 59864118), (393, 50876884), (501, 39909412), (524, 38157663), (668, 29932059), (786, 25438442), (1002, 19954706), (1572, 12719221), (2004, 9977353), (21877, 913956), (43754, 456978), (65631, 304652), (76163, 262524), (87508, 228489), (131262, 152326)]