18780290

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 34776000

約数和(自身を除く): 15995710

約数列:

[1, 2, 5, 10, 59, 118, 139, 229, 278, 295, 458, 590, 695, 1145, 1390, 2290, 8201, 13511, 16402, 27022, 31831, 41005, 63662, 67555, 82010, 135110, 159155, 318310, 1878029, 3756058, 9390145, 18780290]

約数ペア:

[(1, 18780290), (2, 9390145), (5, 3756058), (10, 1878029), (59, 318310), (118, 159155), (139, 135110), (229, 82010), (278, 67555), (295, 63662), (458, 41005), (590, 31831), (695, 27022), (1145, 16402), (1390, 13511), (2290, 8201)]