18979170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{12911}}^1$

素因数の和:12935

約数の個数: 48

約数和(自身を含む): 52990848

約数和(自身を除く): 34011678

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 12911, 25822, 38733, 64555, 77466, 90377, 129110, 180754, 193665, 271131, 387330, 451885, 542262, 632639, 903770, 1265278, 1355655, 1897917, 2711310, 3163195, 3795834, 6326390, 9489585, 18979170]

約数ペア:

[(1, 18979170), (2, 9489585), (3, 6326390), (5, 3795834), (6, 3163195), (7, 2711310), (10, 1897917), (14, 1355655), (15, 1265278), (21, 903770), (30, 632639), (35, 542262), (42, 451885), (49, 387330), (70, 271131), (98, 193665), (105, 180754), (147, 129110), (210, 90377), (245, 77466), (294, 64555), (490, 38733), (735, 25822), (1470, 12911)]