19207890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16417}}^1$

素因数の和:16443

約数の個数: 48

約数和(自身を含む): 53785368

約数和(自身を除く): 34577478

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16417, 32834, 49251, 82085, 98502, 147753, 164170, 213421, 246255, 295506, 426842, 492510, 640263, 738765, 1067105, 1280526, 1477530, 1920789, 2134210, 3201315, 3841578, 6402630, 9603945, 19207890]

約数ペア:

[(1, 19207890), (2, 9603945), (3, 6402630), (5, 3841578), (6, 3201315), (9, 2134210), (10, 1920789), (13, 1477530), (15, 1280526), (18, 1067105), (26, 738765), (30, 640263), (39, 492510), (45, 426842), (65, 295506), (78, 246255), (90, 213421), (117, 164170), (130, 147753), (195, 98502), (234, 82085), (390, 49251), (585, 32834), (1170, 16417)]