19990004524

素因数分解:

$2^2\times 7^2\times {\mathrm{59}}^2\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:572

約数の個数: 108

約数和(自身を含む): 42012775224

約数和(自身を除く): 22022770700

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 83, 98, 118, 166, 196, 236, 332, 353, 413, 581, 706, 826, 1162, 1412, 1652, 2324, 2471, 2891, 3481, 4067, 4897, 4942, 5782, 6962, 8134, 9794, 9884, 11564, 13924, 16268, 17297, 19588, 20827, 24367, 29299, 34279, 34594, 41654, 48734, 58598, 68558, 69188, 83308, 97468, 117196, 137116, 145789, 170569, 205093, 239953, 288923, 291578, 341138, 410186, 479906, 577846, 583156, 682276, 820372, 959812, 1020523, 1155692, 1228793, 1435651, 1728641, 2022461, 2041046, 2457586, 2871302, 3457282, 4044922, 4082092, 4915172, 5742604, 6914564, 8089844, 8601551, 12100487, 14157227, 17203102, 24200974, 28314454, 34406204, 48401948, 56628908, 60210857, 84703409, 101989819, 120421714, 169406818, 203979638, 240843428, 338813636, 407959276, 713928733, 1427857466, 2855714932, 4997501131, 9995002262, 19990004524]

約数ペア:

[(1, 19990004524), (2, 9995002262), (4, 4997501131), (7, 2855714932), (14, 1427857466), (28, 713928733), (49, 407959276), (59, 338813636), (83, 240843428), (98, 203979638), (118, 169406818), (166, 120421714), (196, 101989819), (236, 84703409), (332, 60210857), (353, 56628908), (413, 48401948), (581, 34406204), (706, 28314454), (826, 24200974), (1162, 17203102), (1412, 14157227), (1652, 12100487), (2324, 8601551), (2471, 8089844), (2891, 6914564), (3481, 5742604), (4067, 4915172), (4897, 4082092), (4942, 4044922), (5782, 3457282), (6962, 2871302), (8134, 2457586), (9794, 2041046), (9884, 2022461), (11564, 1728641), (13924, 1435651), (16268, 1228793), (17297, 1155692), (19588, 1020523), (20827, 959812), (24367, 820372), (29299, 682276), (34279, 583156), (34594, 577846), (41654, 479906), (48734, 410186), (58598, 341138), (68558, 291578), (69188, 288923), (83308, 239953), (97468, 205093), (117196, 170569), (137116, 145789)]