18680416

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1543

約数の個数: 48

約数和(自身を含む): 40660704

約数和(自身を除く): 21980288

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1493, 1564, 2986, 3128, 5972, 6256, 11944, 12512, 23888, 25381, 34339, 47776, 50762, 68678, 101524, 137356, 203048, 274712, 406096, 549424, 583763, 812192, 1098848, 1167526, 2335052, 4670104, 9340208, 18680416]

約数ペア:

[(1, 18680416), (2, 9340208), (4, 4670104), (8, 2335052), (16, 1167526), (17, 1098848), (23, 812192), (32, 583763), (34, 549424), (46, 406096), (68, 274712), (92, 203048), (136, 137356), (184, 101524), (272, 68678), (368, 50762), (391, 47776), (544, 34339), (736, 25381), (782, 23888), (1493, 12512), (1564, 11944), (2986, 6256), (3128, 5972)]