18089960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 49472640

約数和(自身を除く): 31382680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 53, 56, 70, 92, 106, 115, 140, 161, 184, 212, 230, 265, 280, 322, 371, 424, 460, 530, 644, 742, 805, 920, 1060, 1219, 1288, 1484, 1610, 1855, 2120, 2438, 2809, 2968, 3220, 3710, 4876, 5618, 6095, 6440, 7420, 8533, 9752, 11236, 12190, 14045, 14840, 17066, 19663, 22472, 24380, 28090, 34132, 39326, 42665, 48760, 56180, 64607, 68264, 78652, 85330, 98315, 112360, 129214, 157304, 170660, 196630, 258428, 323035, 341320, 393260, 452249, 516856, 646070, 786520, 904498, 1292140, 1808996, 2261245, 2584280, 3617992, 4522490, 9044980, 18089960]

約数ペア:

[(1, 18089960), (2, 9044980), (4, 4522490), (5, 3617992), (7, 2584280), (8, 2261245), (10, 1808996), (14, 1292140), (20, 904498), (23, 786520), (28, 646070), (35, 516856), (40, 452249), (46, 393260), (53, 341320), (56, 323035), (70, 258428), (92, 196630), (106, 170660), (115, 157304), (140, 129214), (161, 112360), (184, 98315), (212, 85330), (230, 78652), (265, 68264), (280, 64607), (322, 56180), (371, 48760), (424, 42665), (460, 39326), (530, 34132), (644, 28090), (742, 24380), (805, 22472), (920, 19663), (1060, 17066), (1219, 14840), (1288, 14045), (1484, 12190), (1610, 11236), (1855, 9752), (2120, 8533), (2438, 7420), (2809, 6440), (2968, 6095), (3220, 5618), (3710, 4876)]