19782672

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 120

約数和(自身を含む): 64120896

約数和(自身を除く): 44338224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 624, 637, 647, 728, 784, 1092, 1176, 1274, 1294, 1456, 1911, 1941, 2184, 2352, 2548, 2588, 3822, 3882, 4368, 4529, 5096, 5176, 7644, 7764, 8411, 9058, 10192, 10352, 13587, 15288, 15528, 16822, 18116, 25233, 27174, 30576, 31056, 31703, 33644, 36232, 50466, 54348, 58877, 63406, 67288, 72464, 95109, 100932, 108696, 117754, 126812, 134576, 176631, 190218, 201864, 217392, 235508, 253624, 353262, 380436, 403728, 412139, 471016, 507248, 706524, 760872, 824278, 942032, 1236417, 1413048, 1521744, 1648556, 2472834, 2826096, 3297112, 4945668, 6594224, 9891336, 19782672]

約数ペア:

[(1, 19782672), (2, 9891336), (3, 6594224), (4, 4945668), (6, 3297112), (7, 2826096), (8, 2472834), (12, 1648556), (13, 1521744), (14, 1413048), (16, 1236417), (21, 942032), (24, 824278), (26, 760872), (28, 706524), (39, 507248), (42, 471016), (48, 412139), (49, 403728), (52, 380436), (56, 353262), (78, 253624), (84, 235508), (91, 217392), (98, 201864), (104, 190218), (112, 176631), (147, 134576), (156, 126812), (168, 117754), (182, 108696), (196, 100932), (208, 95109), (273, 72464), (294, 67288), (312, 63406), (336, 58877), (364, 54348), (392, 50466), (546, 36232), (588, 33644), (624, 31703), (637, 31056), (647, 30576), (728, 27174), (784, 25233), (1092, 18116), (1176, 16822), (1274, 15528), (1294, 15288), (1456, 13587), (1911, 10352), (1941, 10192), (2184, 9058), (2352, 8411), (2548, 7764), (2588, 7644), (3822, 5176), (3882, 5096), (4368, 4529)]