18310980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5003}}^1$

素因数の和:5076

約数の個数: 48

約数和(自身を含む): 52121664

約数和(自身を除く): 33810684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5003, 10006, 15009, 20012, 25015, 30018, 50030, 60036, 75045, 100060, 150090, 300180, 305183, 610366, 915549, 1220732, 1525915, 1831098, 3051830, 3662196, 4577745, 6103660, 9155490, 18310980]

約数ペア:

[(1, 18310980), (2, 9155490), (3, 6103660), (4, 4577745), (5, 3662196), (6, 3051830), (10, 1831098), (12, 1525915), (15, 1220732), (20, 915549), (30, 610366), (60, 305183), (61, 300180), (122, 150090), (183, 100060), (244, 75045), (305, 60036), (366, 50030), (610, 30018), (732, 25015), (915, 20012), (1220, 15009), (1830, 10006), (3660, 5003)]