18298180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 39682944

約数和(自身を除く): 21384764

約数列:

[1, 2, 4, 5, 10, 20, 73, 83, 146, 151, 166, 292, 302, 332, 365, 415, 604, 730, 755, 830, 1460, 1510, 1660, 3020, 6059, 11023, 12118, 12533, 22046, 24236, 25066, 30295, 44092, 50132, 55115, 60590, 62665, 110230, 121180, 125330, 220460, 250660, 914909, 1829818, 3659636, 4574545, 9149090, 18298180]

約数ペア:

[(1, 18298180), (2, 9149090), (4, 4574545), (5, 3659636), (10, 1829818), (20, 914909), (73, 250660), (83, 220460), (146, 125330), (151, 121180), (166, 110230), (292, 62665), (302, 60590), (332, 55115), (365, 50132), (415, 44092), (604, 30295), (730, 25066), (755, 24236), (830, 22046), (1460, 12533), (1510, 12118), (1660, 11023), (3020, 6059)]