19755324

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 51891840

約数和(自身を除く): 32136516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 71, 118, 131, 142, 177, 213, 236, 262, 284, 354, 393, 426, 524, 531, 639, 708, 786, 852, 1062, 1179, 1278, 1572, 2124, 2358, 2556, 4189, 4716, 7729, 8378, 9301, 12567, 15458, 16756, 18602, 23187, 25134, 27903, 30916, 37204, 37701, 46374, 50268, 55806, 69561, 75402, 83709, 92748, 111612, 139122, 150804, 167418, 278244, 334836, 548759, 1097518, 1646277, 2195036, 3292554, 4938831, 6585108, 9877662, 19755324]

約数ペア:

[(1, 19755324), (2, 9877662), (3, 6585108), (4, 4938831), (6, 3292554), (9, 2195036), (12, 1646277), (18, 1097518), (36, 548759), (59, 334836), (71, 278244), (118, 167418), (131, 150804), (142, 139122), (177, 111612), (213, 92748), (236, 83709), (262, 75402), (284, 69561), (354, 55806), (393, 50268), (426, 46374), (524, 37701), (531, 37204), (639, 30916), (708, 27903), (786, 25134), (852, 23187), (1062, 18602), (1179, 16756), (1278, 15458), (1572, 12567), (2124, 9301), (2358, 8378), (2556, 7729), (4189, 4716)]