18735540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5119}}^1$

素因数の和:5192

約数の個数: 48

約数和(自身を含む): 53329920

約数和(自身を除く): 34594380

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, 5119, 10238, 15357, 20476, 25595, 30714, 51190, 61428, 76785, 102380, 153570, 307140, 312259, 624518, 936777, 1249036, 1561295, 1873554, 3122590, 3747108, 4683885, 6245180, 9367770, 18735540]

約数ペア:

[(1, 18735540), (2, 9367770), (3, 6245180), (4, 4683885), (5, 3747108), (6, 3122590), (10, 1873554), (12, 1561295), (15, 1249036), (20, 936777), (30, 624518), (60, 312259), (61, 307140), (122, 153570), (183, 102380), (244, 76785), (305, 61428), (366, 51190), (610, 30714), (732, 25595), (915, 20476), (1220, 15357), (1830, 10238), (3660, 5119)]