18559948

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1294

約数の個数: 36

約数和(自身を含む): 36882496

約数和(自身を除く): 18322548

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1237, 1364, 2474, 3751, 4948, 7502, 13607, 15004, 27214, 38347, 54428, 76694, 149677, 153388, 299354, 421817, 598708, 843634, 1687268, 4639987, 9279974, 18559948]

約数ペア:

[(1, 18559948), (2, 9279974), (4, 4639987), (11, 1687268), (22, 843634), (31, 598708), (44, 421817), (62, 299354), (121, 153388), (124, 149677), (242, 76694), (341, 54428), (484, 38347), (682, 27214), (1237, 15004), (1364, 13607), (2474, 7502), (3751, 4948)]