18513108

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7243}}^1$

素因数の和:7324

約数の個数: 36

約数和(自身を含む): 47462688

約数和(自身を除く): 28949580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7243, 14486, 21729, 28972, 43458, 65187, 86916, 130374, 260748, 514253, 1028506, 1542759, 2057012, 3085518, 4628277, 6171036, 9256554, 18513108]

約数ペア:

[(1, 18513108), (2, 9256554), (3, 6171036), (4, 4628277), (6, 3085518), (9, 2057012), (12, 1542759), (18, 1028506), (36, 514253), (71, 260748), (142, 130374), (213, 86916), (284, 65187), (426, 43458), (639, 28972), (852, 21729), (1278, 14486), (2556, 7243)]