19884888

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 56908800

約数和(自身を除く): 37023912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 59, 62, 72, 93, 118, 124, 151, 177, 186, 236, 248, 279, 302, 354, 372, 453, 472, 531, 558, 604, 708, 744, 906, 1062, 1116, 1208, 1359, 1416, 1812, 1829, 2124, 2232, 2718, 3624, 3658, 4248, 4681, 5436, 5487, 7316, 8909, 9362, 10872, 10974, 14043, 14632, 16461, 17818, 18724, 21948, 26727, 28086, 32922, 35636, 37448, 42129, 43896, 53454, 56172, 65844, 71272, 80181, 84258, 106908, 112344, 131688, 160362, 168516, 213816, 276179, 320724, 337032, 552358, 641448, 828537, 1104716, 1657074, 2209432, 2485611, 3314148, 4971222, 6628296, 9942444, 19884888]

約数ペア:

[(1, 19884888), (2, 9942444), (3, 6628296), (4, 4971222), (6, 3314148), (8, 2485611), (9, 2209432), (12, 1657074), (18, 1104716), (24, 828537), (31, 641448), (36, 552358), (59, 337032), (62, 320724), (72, 276179), (93, 213816), (118, 168516), (124, 160362), (151, 131688), (177, 112344), (186, 106908), (236, 84258), (248, 80181), (279, 71272), (302, 65844), (354, 56172), (372, 53454), (453, 43896), (472, 42129), (531, 37448), (558, 35636), (604, 32922), (708, 28086), (744, 26727), (906, 21948), (1062, 18724), (1116, 17818), (1208, 16461), (1359, 14632), (1416, 14043), (1812, 10974), (1829, 10872), (2124, 9362), (2232, 8909), (2718, 7316), (3624, 5487), (3658, 5436), (4248, 4681)]