19765356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 54613440

約数和(自身を除く): 34848084

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 29, 34, 39, 51, 52, 58, 68, 78, 87, 102, 116, 156, 174, 204, 221, 257, 348, 377, 442, 493, 514, 663, 754, 771, 884, 986, 1028, 1131, 1326, 1479, 1508, 1542, 1972, 2262, 2652, 2958, 3084, 3341, 4369, 4524, 5916, 6409, 6682, 7453, 8738, 10023, 12818, 13107, 13364, 14906, 17476, 19227, 20046, 22359, 25636, 26214, 29812, 38454, 40092, 44718, 52428, 56797, 76908, 89436, 96889, 113594, 126701, 170391, 193778, 227188, 253402, 290667, 340782, 380103, 387556, 506804, 581334, 681564, 760206, 1162668, 1520412, 1647113, 3294226, 4941339, 6588452, 9882678, 19765356]

約数ペア:

[(1, 19765356), (2, 9882678), (3, 6588452), (4, 4941339), (6, 3294226), (12, 1647113), (13, 1520412), (17, 1162668), (26, 760206), (29, 681564), (34, 581334), (39, 506804), (51, 387556), (52, 380103), (58, 340782), (68, 290667), (78, 253402), (87, 227188), (102, 193778), (116, 170391), (156, 126701), (174, 113594), (204, 96889), (221, 89436), (257, 76908), (348, 56797), (377, 52428), (442, 44718), (493, 40092), (514, 38454), (663, 29812), (754, 26214), (771, 25636), (884, 22359), (986, 20046), (1028, 19227), (1131, 17476), (1326, 14906), (1479, 13364), (1508, 13107), (1542, 12818), (1972, 10023), (2262, 8738), (2652, 7453), (2958, 6682), (3084, 6409), (3341, 5916), (4369, 4524)]