31978330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3581}}^1$

素因数の和:3654

約数の個数: 32

約数和(自身を含む): 61896960

約数和(自身を除く): 29918630

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 3581, 4465, 7162, 8930, 17905, 35810, 68039, 136078, 168307, 336614, 340195, 680390, 841535, 1683070, 3197833, 6395666, 15989165, 31978330]

約数ペア:

[(1, 31978330), (2, 15989165), (5, 6395666), (10, 3197833), (19, 1683070), (38, 841535), (47, 680390), (94, 340195), (95, 336614), (190, 168307), (235, 136078), (470, 68039), (893, 35810), (1786, 17905), (3581, 8930), (4465, 7162)]