18328060

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 39809952

約数和(自身を除く): 21481892

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 166, 181, 244, 305, 332, 362, 415, 610, 724, 830, 905, 1220, 1660, 1810, 3620, 5063, 10126, 11041, 15023, 20252, 22082, 25315, 30046, 44164, 50630, 55205, 60092, 75115, 101260, 110410, 150230, 220820, 300460, 916403, 1832806, 3665612, 4582015, 9164030, 18328060]

約数ペア:

[(1, 18328060), (2, 9164030), (4, 4582015), (5, 3665612), (10, 1832806), (20, 916403), (61, 300460), (83, 220820), (122, 150230), (166, 110410), (181, 101260), (244, 75115), (305, 60092), (332, 55205), (362, 50630), (415, 44164), (610, 30046), (724, 25315), (830, 22082), (905, 20252), (1220, 15023), (1660, 11041), (1810, 10126), (3620, 5063)]