18945660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16619}}^1$

素因数の和:16650

約数の個数: 48

約数和(自身を含む): 55843200

約数和(自身を除く): 36897540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16619, 33238, 49857, 66476, 83095, 99714, 166190, 199428, 249285, 315761, 332380, 498570, 631522, 947283, 997140, 1263044, 1578805, 1894566, 3157610, 3789132, 4736415, 6315220, 9472830, 18945660]

約数ペア:

[(1, 18945660), (2, 9472830), (3, 6315220), (4, 4736415), (5, 3789132), (6, 3157610), (10, 1894566), (12, 1578805), (15, 1263044), (19, 997140), (20, 947283), (30, 631522), (38, 498570), (57, 332380), (60, 315761), (76, 249285), (95, 199428), (114, 166190), (190, 99714), (228, 83095), (285, 66476), (380, 49857), (570, 33238), (1140, 16619)]