19800846

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2287}}^1$

素因数の和:2345

約数の個数: 48

約数和(自身を含む): 47471424

約数和(自身を除く): 27670578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2287, 2886, 4329, 4574, 6861, 8658, 13722, 20583, 29731, 41166, 59462, 84619, 89193, 169238, 178386, 253857, 267579, 507714, 535158, 761571, 1100047, 1523142, 2200094, 3300141, 6600282, 9900423, 19800846]

約数ペア:

[(1, 19800846), (2, 9900423), (3, 6600282), (6, 3300141), (9, 2200094), (13, 1523142), (18, 1100047), (26, 761571), (37, 535158), (39, 507714), (74, 267579), (78, 253857), (111, 178386), (117, 169238), (222, 89193), (234, 84619), (333, 59462), (481, 41166), (666, 29731), (962, 20583), (1443, 13722), (2287, 8658), (2886, 6861), (4329, 4574)]