16854140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 39463200

約数和(自身を除く): 22609060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2609, 3230, 5218, 6460, 10436, 13045, 26090, 44353, 49571, 52180, 88706, 99142, 177412, 198284, 221765, 247855, 443530, 495710, 842707, 887060, 991420, 1685414, 3370828, 4213535, 8427070, 16854140]

約数ペア:

[(1, 16854140), (2, 8427070), (4, 4213535), (5, 3370828), (10, 1685414), (17, 991420), (19, 887060), (20, 842707), (34, 495710), (38, 443530), (68, 247855), (76, 221765), (85, 198284), (95, 177412), (170, 99142), (190, 88706), (323, 52180), (340, 49571), (380, 44353), (646, 26090), (1292, 13045), (1615, 10436), (2609, 6460), (3230, 5218)]