19740222

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 44121168

約数和(自身を除く): 24380946

約数列:

[1, 2, 3, 6, 9, 18, 73, 83, 146, 166, 181, 219, 249, 362, 438, 498, 543, 657, 747, 1086, 1314, 1494, 1629, 3258, 6059, 12118, 13213, 15023, 18177, 26426, 30046, 36354, 39639, 45069, 54531, 79278, 90138, 109062, 118917, 135207, 237834, 270414, 1096679, 2193358, 3290037, 6580074, 9870111, 19740222]

約数ペア:

[(1, 19740222), (2, 9870111), (3, 6580074), (6, 3290037), (9, 2193358), (18, 1096679), (73, 270414), (83, 237834), (146, 135207), (166, 118917), (181, 109062), (219, 90138), (249, 79278), (362, 54531), (438, 45069), (498, 39639), (543, 36354), (657, 30046), (747, 26426), (1086, 18177), (1314, 15023), (1494, 13213), (1629, 12118), (3258, 6059)]