18747405

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 15397875

約数列:

[1, 3, 5, 9, 15, 31, 45, 89, 93, 151, 155, 267, 279, 445, 453, 465, 755, 801, 1335, 1359, 1395, 2265, 2759, 4005, 4681, 6795, 8277, 13439, 13795, 14043, 23405, 24831, 40317, 41385, 42129, 67195, 70215, 120951, 124155, 201585, 210645, 416609, 604755, 1249827, 2083045, 3749481, 6249135, 18747405]

約数ペア:

[(1, 18747405), (3, 6249135), (5, 3749481), (9, 2083045), (15, 1249827), (31, 604755), (45, 416609), (89, 210645), (93, 201585), (151, 124155), (155, 120951), (267, 70215), (279, 67195), (445, 42129), (453, 41385), (465, 40317), (755, 24831), (801, 23405), (1335, 14043), (1359, 13795), (1395, 13439), (2265, 8277), (2759, 6795), (4005, 4681)]