19965056

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2557}}^1$

素因数の和:2632

約数の個数: 32

約数和(自身を含む): 40441980

約数和(自身を除く): 20476924

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2557, 3904, 5114, 7808, 10228, 20456, 40912, 81824, 155977, 163648, 311954, 327296, 623908, 1247816, 2495632, 4991264, 9982528, 19965056]

約数ペア:

[(1, 19965056), (2, 9982528), (4, 4991264), (8, 2495632), (16, 1247816), (32, 623908), (61, 327296), (64, 311954), (122, 163648), (128, 155977), (244, 81824), (488, 40912), (976, 20456), (1952, 10228), (2557, 7808), (3904, 5114)]