19597890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1675

約数の個数: 64

約数和(自身を含む): 52319232

約数和(自身を除く): 32721342

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1621, 2015, 2418, 3242, 4030, 4863, 6045, 8105, 9726, 12090, 16210, 21073, 24315, 42146, 48630, 50251, 63219, 100502, 105365, 126438, 150753, 210730, 251255, 301506, 316095, 502510, 632190, 653263, 753765, 1306526, 1507530, 1959789, 3266315, 3919578, 6532630, 9798945, 19597890]

約数ペア:

[(1, 19597890), (2, 9798945), (3, 6532630), (5, 3919578), (6, 3266315), (10, 1959789), (13, 1507530), (15, 1306526), (26, 753765), (30, 653263), (31, 632190), (39, 502510), (62, 316095), (65, 301506), (78, 251255), (93, 210730), (130, 150753), (155, 126438), (186, 105365), (195, 100502), (310, 63219), (390, 50251), (403, 48630), (465, 42146), (806, 24315), (930, 21073), (1209, 16210), (1621, 12090), (2015, 9726), (2418, 8105), (3242, 6045), (4030, 4863)]