19994208

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 58183776

約数和(自身を除く): 38189568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 48, 52, 74, 78, 96, 104, 111, 148, 156, 208, 222, 296, 312, 416, 433, 444, 481, 592, 624, 866, 888, 962, 1184, 1248, 1299, 1443, 1732, 1776, 1924, 2598, 2886, 3464, 3552, 3848, 5196, 5629, 5772, 6928, 7696, 10392, 11258, 11544, 13856, 15392, 16021, 16887, 20784, 22516, 23088, 32042, 33774, 41568, 45032, 46176, 48063, 64084, 67548, 90064, 96126, 128168, 135096, 180128, 192252, 208273, 256336, 270192, 384504, 416546, 512672, 540384, 624819, 769008, 833092, 1249638, 1538016, 1666184, 2499276, 3332368, 4998552, 6664736, 9997104, 19994208]

約数ペア:

[(1, 19994208), (2, 9997104), (3, 6664736), (4, 4998552), (6, 3332368), (8, 2499276), (12, 1666184), (13, 1538016), (16, 1249638), (24, 833092), (26, 769008), (32, 624819), (37, 540384), (39, 512672), (48, 416546), (52, 384504), (74, 270192), (78, 256336), (96, 208273), (104, 192252), (111, 180128), (148, 135096), (156, 128168), (208, 96126), (222, 90064), (296, 67548), (312, 64084), (416, 48063), (433, 46176), (444, 45032), (481, 41568), (592, 33774), (624, 32042), (866, 23088), (888, 22516), (962, 20784), (1184, 16887), (1248, 16021), (1299, 15392), (1443, 13856), (1732, 11544), (1776, 11258), (1924, 10392), (2598, 7696), (2886, 6928), (3464, 5772), (3552, 5629), (3848, 5196)]