19674810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3079}}^1$

素因数の和:3163

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 32217030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3079, 3195, 6158, 6390, 9237, 15395, 18474, 27711, 30790, 46185, 55422, 92370, 138555, 218609, 277110, 437218, 655827, 1093045, 1311654, 1967481, 2186090, 3279135, 3934962, 6558270, 9837405, 19674810]

約数ペア:

[(1, 19674810), (2, 9837405), (3, 6558270), (5, 3934962), (6, 3279135), (9, 2186090), (10, 1967481), (15, 1311654), (18, 1093045), (30, 655827), (45, 437218), (71, 277110), (90, 218609), (142, 138555), (213, 92370), (355, 55422), (426, 46185), (639, 30790), (710, 27711), (1065, 18474), (1278, 15395), (2130, 9237), (3079, 6390), (3195, 6158)]