19338375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 18401145

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 105, 125, 139, 159, 175, 265, 371, 375, 417, 525, 695, 795, 875, 973, 1113, 1325, 1855, 2085, 2625, 2919, 3475, 3975, 4865, 5565, 6625, 7367, 9275, 10425, 14595, 17375, 19875, 22101, 24325, 27825, 36835, 46375, 51569, 52125, 72975, 110505, 121625, 139125, 154707, 184175, 257845, 364875, 552525, 773535, 920875, 1289225, 2762625, 3867675, 6446125, 19338375]

約数ペア:

[(1, 19338375), (3, 6446125), (5, 3867675), (7, 2762625), (15, 1289225), (21, 920875), (25, 773535), (35, 552525), (53, 364875), (75, 257845), (105, 184175), (125, 154707), (139, 139125), (159, 121625), (175, 110505), (265, 72975), (371, 52125), (375, 51569), (417, 46375), (525, 36835), (695, 27825), (795, 24325), (875, 22101), (973, 19875), (1113, 17375), (1325, 14595), (1855, 10425), (2085, 9275), (2625, 7367), (2919, 6625), (3475, 5565), (3975, 4865)]