18985532

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 36

約数和(自身を含む): 36254736

約数和(自身を除く): 17269204

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 151, 172, 302, 604, 731, 1462, 1849, 2567, 2924, 3698, 5134, 6493, 7396, 10268, 12986, 25972, 31433, 62866, 110381, 125732, 220762, 279199, 441524, 558398, 1116796, 4746383, 9492766, 18985532]

約数ペア:

[(1, 18985532), (2, 9492766), (4, 4746383), (17, 1116796), (34, 558398), (43, 441524), (68, 279199), (86, 220762), (151, 125732), (172, 110381), (302, 62866), (604, 31433), (731, 25972), (1462, 12986), (1849, 10268), (2567, 7396), (2924, 6493), (3698, 5134)]