2019915196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 4022923520

約数和(自身を除く): 2003008324

約数列:

[1, 2, 4, 13, 26, 43, 52, 67, 86, 97, 134, 139, 172, 194, 268, 278, 388, 556, 559, 871, 1118, 1261, 1742, 1807, 2236, 2522, 2881, 3484, 3614, 4171, 5044, 5762, 5977, 6499, 7228, 8342, 9313, 11524, 11954, 12998, 13483, 16684, 18626, 23908, 25996, 26966, 37252, 37453, 53932, 54223, 74906, 77701, 84487, 108446, 121069, 149812, 155402, 168974, 175279, 216892, 242138, 279457, 310804, 337948, 350558, 400459, 484276, 558914, 579769, 701116, 800918, 903361, 1117828, 1159538, 1601836, 1806722, 2319076, 3613444, 3632941, 5205967, 7265882, 7536997, 10411934, 11743693, 14531764, 15073994, 20823868, 23487386, 30147988, 38844523, 46974772, 77689046, 155378092, 504978799, 1009957598, 2019915196]

約数ペア:

[(1, 2019915196), (2, 1009957598), (4, 504978799), (13, 155378092), (26, 77689046), (43, 46974772), (52, 38844523), (67, 30147988), (86, 23487386), (97, 20823868), (134, 15073994), (139, 14531764), (172, 11743693), (194, 10411934), (268, 7536997), (278, 7265882), (388, 5205967), (556, 3632941), (559, 3613444), (871, 2319076), (1118, 1806722), (1261, 1601836), (1742, 1159538), (1807, 1117828), (2236, 903361), (2522, 800918), (2881, 701116), (3484, 579769), (3614, 558914), (4171, 484276), (5044, 400459), (5762, 350558), (5977, 337948), (6499, 310804), (7228, 279457), (8342, 242138), (9313, 216892), (11524, 175279), (11954, 168974), (12998, 155402), (13483, 149812), (16684, 121069), (18626, 108446), (23908, 84487), (25996, 77701), (26966, 74906), (37252, 54223), (37453, 53932)]