18977114

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 12774886

約数列:

[1, 2, 13, 26, 59, 89, 118, 139, 178, 278, 767, 1157, 1534, 1807, 2314, 3614, 5251, 8201, 10502, 12371, 16402, 24742, 68263, 106613, 136526, 160823, 213226, 321646, 729889, 1459778, 9488557, 18977114]

約数ペア:

[(1, 18977114), (2, 9488557), (13, 1459778), (26, 729889), (59, 321646), (89, 213226), (118, 160823), (139, 136526), (178, 106613), (278, 68263), (767, 24742), (1157, 16402), (1534, 12371), (1807, 10502), (2314, 8201), (3614, 5251)]