19890432

素因数分解:

$2^8\times 3^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 108

約数和(自身を含む): 58591260

約数和(自身を除く): 38700828

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 97, 128, 144, 178, 192, 194, 256, 267, 288, 291, 356, 384, 388, 534, 576, 582, 712, 768, 776, 801, 873, 1068, 1152, 1164, 1424, 1552, 1602, 1746, 2136, 2304, 2328, 2848, 3104, 3204, 3492, 4272, 4656, 5696, 6208, 6408, 6984, 8544, 8633, 9312, 11392, 12416, 12816, 13968, 17088, 17266, 18624, 22784, 24832, 25632, 25899, 27936, 34176, 34532, 37248, 51264, 51798, 55872, 68352, 69064, 74496, 77697, 102528, 103596, 111744, 138128, 155394, 205056, 207192, 223488, 276256, 310788, 414384, 552512, 621576, 828768, 1105024, 1243152, 1657536, 2210048, 2486304, 3315072, 4972608, 6630144, 9945216, 19890432]

約数ペア:

[(1, 19890432), (2, 9945216), (3, 6630144), (4, 4972608), (6, 3315072), (8, 2486304), (9, 2210048), (12, 1657536), (16, 1243152), (18, 1105024), (24, 828768), (32, 621576), (36, 552512), (48, 414384), (64, 310788), (72, 276256), (89, 223488), (96, 207192), (97, 205056), (128, 155394), (144, 138128), (178, 111744), (192, 103596), (194, 102528), (256, 77697), (267, 74496), (288, 69064), (291, 68352), (356, 55872), (384, 51798), (388, 51264), (534, 37248), (576, 34532), (582, 34176), (712, 27936), (768, 25899), (776, 25632), (801, 24832), (873, 22784), (1068, 18624), (1152, 17266), (1164, 17088), (1424, 13968), (1552, 12816), (1602, 12416), (1746, 11392), (2136, 9312), (2304, 8633), (2328, 8544), (2848, 6984), (3104, 6408), (3204, 6208), (3492, 5696), (4272, 4656)]