18490668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{877}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 49561344

約数和(自身を除く): 31070676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251, 502, 753, 877, 1004, 1506, 1754, 1757, 2631, 3012, 3508, 3514, 5262, 5271, 6139, 7028, 10524, 10542, 12278, 18417, 21084, 24556, 36834, 73668, 220127, 440254, 660381, 880508, 1320762, 1540889, 2641524, 3081778, 4622667, 6163556, 9245334, 18490668]

約数ペア:

[(1, 18490668), (2, 9245334), (3, 6163556), (4, 4622667), (6, 3081778), (7, 2641524), (12, 1540889), (14, 1320762), (21, 880508), (28, 660381), (42, 440254), (84, 220127), (251, 73668), (502, 36834), (753, 24556), (877, 21084), (1004, 18417), (1506, 12278), (1754, 10542), (1757, 10524), (2631, 7028), (3012, 6139), (3508, 5271), (3514, 5262)]