19461650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 39580800

約数和(自身を除く): 20119150

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 379, 395, 650, 758, 790, 1027, 1895, 1975, 2054, 3790, 3950, 4927, 5135, 9475, 9854, 10270, 18950, 24635, 25675, 29941, 49270, 51350, 59882, 123175, 149705, 246350, 299410, 389233, 748525, 778466, 1497050, 1946165, 3892330, 9730825, 19461650]

約数ペア:

[(1, 19461650), (2, 9730825), (5, 3892330), (10, 1946165), (13, 1497050), (25, 778466), (26, 748525), (50, 389233), (65, 299410), (79, 246350), (130, 149705), (158, 123175), (325, 59882), (379, 51350), (395, 49270), (650, 29941), (758, 25675), (790, 24635), (1027, 18950), (1895, 10270), (1975, 9854), (2054, 9475), (3790, 5135), (3950, 4927)]