18654542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 13071538

約数列:

[1, 2, 17, 19, 34, 38, 67, 134, 323, 431, 646, 862, 1139, 1273, 2278, 2546, 7327, 8189, 14654, 16378, 21641, 28877, 43282, 57754, 139213, 278426, 490909, 548663, 981818, 1097326, 9327271, 18654542]

約数ペア:

[(1, 18654542), (2, 9327271), (17, 1097326), (19, 981818), (34, 548663), (38, 490909), (67, 278426), (134, 139213), (323, 57754), (431, 43282), (646, 28877), (862, 21641), (1139, 16378), (1273, 14654), (2278, 8189), (2546, 7327)]