18439916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1286

約数の個数: 36

約数和(自身を含む): 36644160

約数和(自身を除く): 18204244

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1229, 1364, 2458, 3751, 4916, 7502, 13519, 15004, 27038, 38099, 54076, 76198, 148709, 152396, 297418, 419089, 594836, 838178, 1676356, 4609979, 9219958, 18439916]

約数ペア:

[(1, 18439916), (2, 9219958), (4, 4609979), (11, 1676356), (22, 838178), (31, 594836), (44, 419089), (62, 297418), (121, 152396), (124, 148709), (242, 76198), (341, 54076), (484, 38099), (682, 27038), (1229, 15004), (1364, 13519), (2458, 7502), (3751, 4916)]