18939292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4157}}^1$

素因数の和:4245

約数の個数: 24

約数和(自身を含む): 35625744

約数和(自身を除く): 16686452

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4157, 4556, 8314, 16628, 70669, 141338, 278519, 282676, 557038, 1114076, 4734823, 9469646, 18939292]

約数ペア:

[(1, 18939292), (2, 9469646), (4, 4734823), (17, 1114076), (34, 557038), (67, 282676), (68, 278519), (134, 141338), (268, 70669), (1139, 16628), (2278, 8314), (4157, 4556)]