19801356848

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1\times {\mathrm{3889}}^1$

素因数の和:4199

約数の個数: 120

約数和(自身を含む): 47666815200

約数和(自身を除く): 27865458352

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 269, 338, 364, 538, 676, 728, 1076, 1183, 1352, 1456, 1883, 2152, 2366, 2704, 3497, 3766, 3889, 4304, 4732, 6994, 7532, 7778, 9464, 13988, 15064, 15556, 18928, 24479, 27223, 27976, 30128, 31112, 45461, 48958, 50557, 54446, 55952, 62224, 90922, 97916, 101114, 108892, 181844, 195832, 202228, 217784, 318227, 353899, 363688, 391664, 404456, 435568, 636454, 657241, 707798, 727376, 808912, 1046141, 1272908, 1314482, 1415596, 2092282, 2545816, 2628964, 2831192, 4184564, 4600687, 5091632, 5257928, 5662384, 7322987, 8369128, 9201374, 10515856, 13599833, 14645974, 16738256, 18402748, 27199666, 29291948, 36805496, 54399332, 58583896, 73610992, 95198831, 108798664, 117167792, 176797829, 190397662, 217597328, 353595658, 380795324, 707191316, 761590648, 1237584803, 1414382632, 1523181296, 2475169606, 2828765264, 4950339212, 9900678424, 19801356848]

約数ペア:

[(1, 19801356848), (2, 9900678424), (4, 4950339212), (7, 2828765264), (8, 2475169606), (13, 1523181296), (14, 1414382632), (16, 1237584803), (26, 761590648), (28, 707191316), (52, 380795324), (56, 353595658), (91, 217597328), (104, 190397662), (112, 176797829), (169, 117167792), (182, 108798664), (208, 95198831), (269, 73610992), (338, 58583896), (364, 54399332), (538, 36805496), (676, 29291948), (728, 27199666), (1076, 18402748), (1183, 16738256), (1352, 14645974), (1456, 13599833), (1883, 10515856), (2152, 9201374), (2366, 8369128), (2704, 7322987), (3497, 5662384), (3766, 5257928), (3889, 5091632), (4304, 4600687), (4732, 4184564), (6994, 2831192), (7532, 2628964), (7778, 2545816), (9464, 2092282), (13988, 1415596), (15064, 1314482), (15556, 1272908), (18928, 1046141), (24479, 808912), (27223, 727376), (27976, 707798), (30128, 657241), (31112, 636454), (45461, 435568), (48958, 404456), (50557, 391664), (54446, 363688), (55952, 353899), (62224, 318227), (90922, 217784), (97916, 202228), (101114, 195832), (108892, 181844)]