19513650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10007}}^1$

素因数の和:10035

約数の個数: 48

約数和(自身を含む): 52121664

約数和(自身を除く): 32608014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10007, 20014, 30021, 50035, 60042, 100070, 130091, 150105, 250175, 260182, 300210, 390273, 500350, 650455, 750525, 780546, 1300910, 1501050, 1951365, 3252275, 3902730, 6504550, 9756825, 19513650]

約数ペア:

[(1, 19513650), (2, 9756825), (3, 6504550), (5, 3902730), (6, 3252275), (10, 1951365), (13, 1501050), (15, 1300910), (25, 780546), (26, 750525), (30, 650455), (39, 500350), (50, 390273), (65, 300210), (75, 260182), (78, 250175), (130, 150105), (150, 130091), (195, 100070), (325, 60042), (390, 50035), (650, 30021), (975, 20014), (1950, 10007)]