1921036130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{642487}}^1$

素因数の和:642530

約数の個数: 32

約数和(自身を含む): 3885767424

約数和(自身を除く): 1964731294

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 642487, 1284974, 3212435, 6424870, 8352331, 14777201, 16704662, 29554402, 41761655, 73886005, 83523310, 147772010, 192103613, 384207226, 960518065, 1921036130]

約数ペア:

[(1, 1921036130), (2, 960518065), (5, 384207226), (10, 192103613), (13, 147772010), (23, 83523310), (26, 73886005), (46, 41761655), (65, 29554402), (115, 16704662), (130, 14777201), (230, 8352331), (299, 6424870), (598, 3212435), (1495, 1284974), (2990, 642487)]