19045000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 48218940

約数和(自身を除く): 29173940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 293, 325, 500, 520, 586, 625, 650, 1000, 1172, 1250, 1300, 1465, 1625, 2344, 2500, 2600, 2930, 3250, 3809, 5000, 5860, 6500, 7325, 7618, 8125, 11720, 13000, 14650, 15236, 16250, 19045, 29300, 30472, 32500, 36625, 38090, 58600, 65000, 73250, 76180, 95225, 146500, 152360, 183125, 190450, 293000, 366250, 380900, 476125, 732500, 761800, 952250, 1465000, 1904500, 2380625, 3809000, 4761250, 9522500, 19045000]

約数ペア:

[(1, 19045000), (2, 9522500), (4, 4761250), (5, 3809000), (8, 2380625), (10, 1904500), (13, 1465000), (20, 952250), (25, 761800), (26, 732500), (40, 476125), (50, 380900), (52, 366250), (65, 293000), (100, 190450), (104, 183125), (125, 152360), (130, 146500), (200, 95225), (250, 76180), (260, 73250), (293, 65000), (325, 58600), (500, 38090), (520, 36625), (586, 32500), (625, 30472), (650, 29300), (1000, 19045), (1172, 16250), (1250, 15236), (1300, 14650), (1465, 13000), (1625, 11720), (2344, 8125), (2500, 7618), (2600, 7325), (2930, 6500), (3250, 5860), (3809, 5000)]