19987104

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 57226176

約数和(自身を除く): 37239072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 37, 48, 51, 68, 74, 96, 102, 111, 136, 148, 204, 222, 272, 296, 331, 408, 444, 544, 592, 629, 662, 816, 888, 993, 1184, 1258, 1324, 1632, 1776, 1887, 1986, 2516, 2648, 3552, 3774, 3972, 5032, 5296, 5627, 7548, 7944, 10064, 10592, 11254, 12247, 15096, 15888, 16881, 20128, 22508, 24494, 30192, 31776, 33762, 36741, 45016, 48988, 60384, 67524, 73482, 90032, 97976, 135048, 146964, 180064, 195952, 208199, 270096, 293928, 391904, 416398, 540192, 587856, 624597, 832796, 1175712, 1249194, 1665592, 2498388, 3331184, 4996776, 6662368, 9993552, 19987104]

約数ペア:

[(1, 19987104), (2, 9993552), (3, 6662368), (4, 4996776), (6, 3331184), (8, 2498388), (12, 1665592), (16, 1249194), (17, 1175712), (24, 832796), (32, 624597), (34, 587856), (37, 540192), (48, 416398), (51, 391904), (68, 293928), (74, 270096), (96, 208199), (102, 195952), (111, 180064), (136, 146964), (148, 135048), (204, 97976), (222, 90032), (272, 73482), (296, 67524), (331, 60384), (408, 48988), (444, 45016), (544, 36741), (592, 33762), (629, 31776), (662, 30192), (816, 24494), (888, 22508), (993, 20128), (1184, 16881), (1258, 15888), (1324, 15096), (1632, 12247), (1776, 11254), (1887, 10592), (1986, 10064), (2516, 7944), (2648, 7548), (3552, 5627), (3774, 5296), (3972, 5032)]