19198563839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{541}}^1\times {\mathrm{1439}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 23776542720

約数和(自身を除く): 4577978881

約数列:

[1, 7, 13, 91, 271, 541, 1439, 1897, 3523, 3787, 7033, 10073, 18707, 24661, 49231, 130949, 146611, 389969, 778499, 1026277, 1905943, 2729783, 5069597, 5449493, 10120487, 13341601, 35487179, 70843409, 210973229, 1476812603, 2742651977, 19198563839]

約数ペア:

[(1, 19198563839), (7, 2742651977), (13, 1476812603), (91, 210973229), (271, 70843409), (541, 35487179), (1439, 13341601), (1897, 10120487), (3523, 5449493), (3787, 5069597), (7033, 2729783), (10073, 1905943), (18707, 1026277), (24661, 778499), (49231, 389969), (130949, 146611)]