19514350

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 19054610

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 115, 142, 230, 239, 355, 478, 575, 710, 1150, 1195, 1633, 1775, 2390, 3266, 3550, 5497, 5975, 8165, 10994, 11950, 16330, 16969, 27485, 33938, 40825, 54970, 81650, 84845, 137425, 169690, 274850, 390287, 424225, 780574, 848450, 1951435, 3902870, 9757175, 19514350]

約数ペア:

[(1, 19514350), (2, 9757175), (5, 3902870), (10, 1951435), (23, 848450), (25, 780574), (46, 424225), (50, 390287), (71, 274850), (115, 169690), (142, 137425), (230, 84845), (239, 81650), (355, 54970), (478, 40825), (575, 33938), (710, 27485), (1150, 16969), (1195, 16330), (1633, 11950), (1775, 10994), (2390, 8165), (3266, 5975), (3550, 5497)]