19198725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 40830720

約数和(自身を除く): 21631995

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 29, 35, 39, 65, 75, 87, 91, 97, 105, 145, 175, 195, 203, 273, 291, 325, 377, 435, 455, 485, 525, 609, 679, 725, 975, 1015, 1131, 1261, 1365, 1455, 1885, 2037, 2175, 2275, 2425, 2639, 2813, 3045, 3395, 3783, 5075, 5655, 6305, 6825, 7275, 7917, 8439, 8827, 9425, 10185, 13195, 14065, 15225, 16975, 18915, 19691, 26481, 28275, 31525, 36569, 39585, 42195, 44135, 50925, 59073, 65975, 70325, 94575, 98455, 109707, 132405, 182845, 197925, 210975, 220675, 255983, 295365, 492275, 548535, 662025, 767949, 914225, 1279915, 1476825, 2742675, 3839745, 6399575, 19198725]

約数ペア:

[(1, 19198725), (3, 6399575), (5, 3839745), (7, 2742675), (13, 1476825), (15, 1279915), (21, 914225), (25, 767949), (29, 662025), (35, 548535), (39, 492275), (65, 295365), (75, 255983), (87, 220675), (91, 210975), (97, 197925), (105, 182845), (145, 132405), (175, 109707), (195, 98455), (203, 94575), (273, 70325), (291, 65975), (325, 59073), (377, 50925), (435, 44135), (455, 42195), (485, 39585), (525, 36569), (609, 31525), (679, 28275), (725, 26481), (975, 19691), (1015, 18915), (1131, 16975), (1261, 15225), (1365, 14065), (1455, 13195), (1885, 10185), (2037, 9425), (2175, 8827), (2275, 8439), (2425, 7917), (2639, 7275), (2813, 6825), (3045, 6305), (3395, 5655), (3783, 5075)]