19461040768

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{687961}}^1$

素因数の和:688005

約数の個数: 64

約数和(自身を含む): 44208438120

約数和(自身を除く): 24747397352

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 3536, 7072, 14144, 28288, 687961, 1375922, 2751844, 5503688, 8943493, 11007376, 11695337, 17886986, 22014752, 23390674, 35773972, 44029504, 46781348, 71547944, 88059008, 93562696, 143095888, 152039381, 187125392, 286191776, 304078762, 374250784, 572383552, 608157524, 748501568, 1144767104, 1216315048, 1497003136, 2432630096, 4865260192, 9730520384, 19461040768]

約数ペア:

[(1, 19461040768), (2, 9730520384), (4, 4865260192), (8, 2432630096), (13, 1497003136), (16, 1216315048), (17, 1144767104), (26, 748501568), (32, 608157524), (34, 572383552), (52, 374250784), (64, 304078762), (68, 286191776), (104, 187125392), (128, 152039381), (136, 143095888), (208, 93562696), (221, 88059008), (272, 71547944), (416, 46781348), (442, 44029504), (544, 35773972), (832, 23390674), (884, 22014752), (1088, 17886986), (1664, 11695337), (1768, 11007376), (2176, 8943493), (3536, 5503688), (7072, 2751844), (14144, 1375922), (28288, 687961)]