19693188

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 51787008

約数和(自身を除く): 32093820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 103, 113, 141, 188, 206, 226, 282, 309, 339, 412, 423, 452, 564, 618, 678, 846, 927, 1017, 1236, 1356, 1692, 1854, 2034, 3708, 4068, 4841, 5311, 9682, 10622, 11639, 14523, 15933, 19364, 21244, 23278, 29046, 31866, 34917, 43569, 46556, 47799, 58092, 63732, 69834, 87138, 95598, 104751, 139668, 174276, 191196, 209502, 419004, 547033, 1094066, 1641099, 2188132, 3282198, 4923297, 6564396, 9846594, 19693188]

約数ペア:

[(1, 19693188), (2, 9846594), (3, 6564396), (4, 4923297), (6, 3282198), (9, 2188132), (12, 1641099), (18, 1094066), (36, 547033), (47, 419004), (94, 209502), (103, 191196), (113, 174276), (141, 139668), (188, 104751), (206, 95598), (226, 87138), (282, 69834), (309, 63732), (339, 58092), (412, 47799), (423, 46556), (452, 43569), (564, 34917), (618, 31866), (678, 29046), (846, 23278), (927, 21244), (1017, 19364), (1236, 15933), (1356, 14523), (1692, 11639), (1854, 10622), (2034, 9682), (3708, 5311), (4068, 4841)]