1640644103426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1\times {\mathrm{2357}}^1\times {\mathrm{15887}}^1$

素因数の和:19418

約数の個数: 32

約数和(自身を含む): 2594000712960

約数和(自身を除く): 953356609534

約数列:

[1, 2, 19, 38, 1153, 2306, 2357, 4714, 15887, 21907, 31774, 43814, 44783, 89566, 301853, 603706, 2717621, 5435242, 18317711, 36635422, 37445659, 51634799, 74891318, 103269598, 348036509, 696073018, 711467521, 1422935042, 43174844827, 86349689654, 820322051713, 1640644103426]

約数ペア:

[(1, 1640644103426), (2, 820322051713), (19, 86349689654), (38, 43174844827), (1153, 1422935042), (2306, 711467521), (2357, 696073018), (4714, 348036509), (15887, 103269598), (21907, 74891318), (31774, 51634799), (43814, 37445659), (44783, 36635422), (89566, 18317711), (301853, 5435242), (603706, 2717621)]