19418528090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6494491}}^1$

素因数の和:6494534

約数の個数: 32

約数和(自身を含む): 39278687616

約数和(自身を除く): 19860159526

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6494491, 12988982, 32472455, 64944910, 84428383, 149373293, 168856766, 298746586, 422141915, 746866465, 844283830, 1493732930, 1941852809, 3883705618, 9709264045, 19418528090]

約数ペア:

[(1, 19418528090), (2, 9709264045), (5, 3883705618), (10, 1941852809), (13, 1493732930), (23, 844283830), (26, 746866465), (46, 422141915), (65, 298746586), (115, 168856766), (130, 149373293), (230, 84428383), (299, 64944910), (598, 32472455), (1495, 12988982), (2990, 6494491)]