18224820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{983}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 55875456

約数和(自身を除く): 37650636

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, 983, 1030, 1236, 1545, 1854, 1966, 2060, 2949, 3090, 3708, 3932, 4635, 4915, 5898, 6180, 8847, 9270, 9830, 11796, 14745, 17694, 18540, 19660, 29490, 35388, 44235, 58980, 88470, 101249, 176940, 202498, 303747, 404996, 506245, 607494, 911241, 1012490, 1214988, 1518735, 1822482, 2024980, 3037470, 3644964, 4556205, 6074940, 9112410, 18224820]

約数ペア:

[(1, 18224820), (2, 9112410), (3, 6074940), (4, 4556205), (5, 3644964), (6, 3037470), (9, 2024980), (10, 1822482), (12, 1518735), (15, 1214988), (18, 1012490), (20, 911241), (30, 607494), (36, 506245), (45, 404996), (60, 303747), (90, 202498), (103, 176940), (180, 101249), (206, 88470), (309, 58980), (412, 44235), (515, 35388), (618, 29490), (927, 19660), (983, 18540), (1030, 17694), (1236, 14745), (1545, 11796), (1854, 9830), (1966, 9270), (2060, 8847), (2949, 6180), (3090, 5898), (3708, 4915), (3932, 4635)]