19978506

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{38273}}^1$

素因数の和:38310

約数の個数: 24

約数和(自身を含む): 44780580

約数和(自身を除く): 24802074

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 38273, 76546, 114819, 229638, 344457, 688914, 1109917, 2219834, 3329751, 6659502, 9989253, 19978506]

約数ペア:

[(1, 19978506), (2, 9989253), (3, 6659502), (6, 3329751), (9, 2219834), (18, 1109917), (29, 688914), (58, 344457), (87, 229638), (174, 114819), (261, 76546), (522, 38273)]