16865860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2524

約数の個数: 48

約数和(自身を含む): 39900672

約数和(自身を除く): 23034812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2473, 3410, 4946, 6820, 9892, 12365, 24730, 27203, 49460, 54406, 76663, 108812, 136015, 153326, 272030, 306652, 383315, 544060, 766630, 843293, 1533260, 1686586, 3373172, 4216465, 8432930, 16865860]

約数ペア:

[(1, 16865860), (2, 8432930), (4, 4216465), (5, 3373172), (10, 1686586), (11, 1533260), (20, 843293), (22, 766630), (31, 544060), (44, 383315), (55, 306652), (62, 272030), (110, 153326), (124, 136015), (155, 108812), (220, 76663), (310, 54406), (341, 49460), (620, 27203), (682, 24730), (1364, 12365), (1705, 9892), (2473, 6820), (3410, 4946)]