16988964

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 42033600

約数和(自身を除く): 25044636

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 269, 277, 538, 554, 807, 831, 1076, 1108, 1614, 1662, 3228, 3324, 5111, 5263, 10222, 10526, 15333, 15789, 20444, 21052, 30666, 31578, 61332, 63156, 74513, 149026, 223539, 298052, 447078, 894156, 1415747, 2831494, 4247241, 5662988, 8494482, 16988964]

約数ペア:

[(1, 16988964), (2, 8494482), (3, 5662988), (4, 4247241), (6, 2831494), (12, 1415747), (19, 894156), (38, 447078), (57, 298052), (76, 223539), (114, 149026), (228, 74513), (269, 63156), (277, 61332), (538, 31578), (554, 30666), (807, 21052), (831, 20444), (1076, 15789), (1108, 15333), (1614, 10526), (1662, 10222), (3228, 5263), (3324, 5111)]