18484380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 56670432

約数和(自身を除く): 38186052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 997, 1030, 1236, 1545, 1854, 1994, 2060, 2991, 3090, 3708, 3988, 4635, 4985, 5982, 6180, 8973, 9270, 9970, 11964, 14955, 17946, 18540, 19940, 29910, 35892, 44865, 59820, 89730, 102691, 179460, 205382, 308073, 410764, 513455, 616146, 924219, 1026910, 1232292, 1540365, 1848438, 2053820, 3080730, 3696876, 4621095, 6161460, 9242190, 18484380]

約数ペア:

[(1, 18484380), (2, 9242190), (3, 6161460), (4, 4621095), (5, 3696876), (6, 3080730), (9, 2053820), (10, 1848438), (12, 1540365), (15, 1232292), (18, 1026910), (20, 924219), (30, 616146), (36, 513455), (45, 410764), (60, 308073), (90, 205382), (103, 179460), (180, 102691), (206, 89730), (309, 59820), (412, 44865), (515, 35892), (618, 29910), (927, 19940), (997, 18540), (1030, 17946), (1236, 14955), (1545, 11964), (1854, 9970), (1994, 9270), (2060, 8973), (2991, 6180), (3090, 5982), (3708, 4985), (3988, 4635)]