18980493928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{4861}}^1\times {\mathrm{44371}}^1$

素因数の和:49249

約数の個数: 32

約数和(自身を含む): 38832599520

約数和(自身を除く): 19852105592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 4861, 9722, 19444, 38888, 44371, 53471, 88742, 106942, 177484, 213884, 354968, 427768, 488081, 976162, 1952324, 3904648, 215687431, 431374862, 862749724, 1725499448, 2372561741, 4745123482, 9490246964, 18980493928]

約数ペア:

[(1, 18980493928), (2, 9490246964), (4, 4745123482), (8, 2372561741), (11, 1725499448), (22, 862749724), (44, 431374862), (88, 215687431), (4861, 3904648), (9722, 1952324), (19444, 976162), (38888, 488081), (44371, 427768), (53471, 354968), (88742, 213884), (106942, 177484)]