19399250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 40255488

約数和(自身を除く): 20856238

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 125, 127, 130, 235, 250, 254, 325, 470, 611, 635, 650, 1175, 1222, 1270, 1625, 1651, 2350, 3055, 3175, 3250, 3302, 5875, 5969, 6110, 6350, 8255, 11750, 11938, 15275, 15875, 16510, 29845, 30550, 31750, 41275, 59690, 76375, 77597, 82550, 149225, 152750, 155194, 206375, 298450, 387985, 412750, 746125, 775970, 1492250, 1939925, 3879850, 9699625, 19399250]

約数ペア:

[(1, 19399250), (2, 9699625), (5, 3879850), (10, 1939925), (13, 1492250), (25, 775970), (26, 746125), (47, 412750), (50, 387985), (65, 298450), (94, 206375), (125, 155194), (127, 152750), (130, 149225), (235, 82550), (250, 77597), (254, 76375), (325, 59690), (470, 41275), (611, 31750), (635, 30550), (650, 29845), (1175, 16510), (1222, 15875), (1270, 15275), (1625, 11938), (1651, 11750), (2350, 8255), (3055, 6350), (3175, 6110), (3250, 5969), (3302, 5875)]