18221220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:882

約数の個数: 96

約数和(自身を含む): 58141440

約数和(自身を除く): 39920220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 823, 1107, 1230, 1476, 1646, 1845, 2214, 2460, 2469, 3292, 3690, 4115, 4428, 4938, 5535, 7380, 7407, 8230, 9876, 11070, 12345, 14814, 16460, 22140, 22221, 24690, 29628, 33743, 37035, 44442, 49380, 67486, 74070, 88884, 101229, 111105, 134972, 148140, 168715, 202458, 222210, 303687, 337430, 404916, 444420, 506145, 607374, 674860, 911061, 1012290, 1214748, 1518435, 1822122, 2024580, 3036870, 3644244, 4555305, 6073740, 9110610, 18221220]

約数ペア:

[(1, 18221220), (2, 9110610), (3, 6073740), (4, 4555305), (5, 3644244), (6, 3036870), (9, 2024580), (10, 1822122), (12, 1518435), (15, 1214748), (18, 1012290), (20, 911061), (27, 674860), (30, 607374), (36, 506145), (41, 444420), (45, 404916), (54, 337430), (60, 303687), (82, 222210), (90, 202458), (108, 168715), (123, 148140), (135, 134972), (164, 111105), (180, 101229), (205, 88884), (246, 74070), (270, 67486), (369, 49380), (410, 44442), (492, 37035), (540, 33743), (615, 29628), (738, 24690), (820, 22221), (823, 22140), (1107, 16460), (1230, 14814), (1476, 12345), (1646, 11070), (1845, 9876), (2214, 8230), (2460, 7407), (2469, 7380), (3292, 5535), (3690, 4938), (4115, 4428)]