18950940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 58007040

約数和(自身を除く): 39056100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 829, 1143, 1270, 1524, 1658, 1905, 2286, 2487, 2540, 3316, 3810, 4145, 4572, 4974, 5715, 7461, 7620, 8290, 9948, 11430, 12435, 14922, 16580, 22860, 24870, 29844, 37305, 49740, 74610, 105283, 149220, 210566, 315849, 421132, 526415, 631698, 947547, 1052830, 1263396, 1579245, 1895094, 2105660, 3158490, 3790188, 4737735, 6316980, 9475470, 18950940]

約数ペア:

[(1, 18950940), (2, 9475470), (3, 6316980), (4, 4737735), (5, 3790188), (6, 3158490), (9, 2105660), (10, 1895094), (12, 1579245), (15, 1263396), (18, 1052830), (20, 947547), (30, 631698), (36, 526415), (45, 421132), (60, 315849), (90, 210566), (127, 149220), (180, 105283), (254, 74610), (381, 49740), (508, 37305), (635, 29844), (762, 24870), (829, 22860), (1143, 16580), (1270, 14922), (1524, 12435), (1658, 11430), (1905, 9948), (2286, 8290), (2487, 7620), (2540, 7461), (3316, 5715), (3810, 4974), (4145, 4572)]