18999370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8597}}^1$

素因数の和:8634

約数の個数: 32

約数和(自身を含む): 39000528

約数和(自身を除く): 20001158

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8597, 17194, 42985, 85970, 111761, 146149, 223522, 292298, 558805, 730745, 1117610, 1461490, 1899937, 3799874, 9499685, 18999370]

約数ペア:

[(1, 18999370), (2, 9499685), (5, 3799874), (10, 1899937), (13, 1461490), (17, 1117610), (26, 730745), (34, 558805), (65, 292298), (85, 223522), (130, 146149), (170, 111761), (221, 85970), (442, 42985), (1105, 17194), (2210, 8597)]