19213830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 51607296

約数和(自身を除く): 32393466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 127, 205, 246, 254, 369, 381, 410, 615, 635, 738, 762, 1143, 1230, 1270, 1681, 1845, 1905, 2286, 3362, 3690, 3810, 5043, 5207, 5715, 8405, 10086, 10414, 11430, 15129, 15621, 16810, 25215, 26035, 30258, 31242, 46863, 50430, 52070, 75645, 78105, 93726, 151290, 156210, 213487, 234315, 426974, 468630, 640461, 1067435, 1280922, 1921383, 2134870, 3202305, 3842766, 6404610, 9606915, 19213830]

約数ペア:

[(1, 19213830), (2, 9606915), (3, 6404610), (5, 3842766), (6, 3202305), (9, 2134870), (10, 1921383), (15, 1280922), (18, 1067435), (30, 640461), (41, 468630), (45, 426974), (82, 234315), (90, 213487), (123, 156210), (127, 151290), (205, 93726), (246, 78105), (254, 75645), (369, 52070), (381, 50430), (410, 46863), (615, 31242), (635, 30258), (738, 26035), (762, 25215), (1143, 16810), (1230, 15621), (1270, 15129), (1681, 11430), (1845, 10414), (1905, 10086), (2286, 8405), (3362, 5715), (3690, 5207), (3810, 5043)]