19135890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1$

素因数の和:2491

約数の個数: 48

約数和(自身を含む): 50333400

約数和(自身を除く): 31197510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2389, 2670, 4005, 4778, 7167, 8010, 11945, 14334, 21501, 23890, 35835, 43002, 71670, 107505, 212621, 215010, 425242, 637863, 1063105, 1275726, 1913589, 2126210, 3189315, 3827178, 6378630, 9567945, 19135890]

約数ペア:

[(1, 19135890), (2, 9567945), (3, 6378630), (5, 3827178), (6, 3189315), (9, 2126210), (10, 1913589), (15, 1275726), (18, 1063105), (30, 637863), (45, 425242), (89, 215010), (90, 212621), (178, 107505), (267, 71670), (445, 43002), (534, 35835), (801, 23890), (890, 21501), (1335, 14334), (1602, 11945), (2389, 8010), (2670, 7167), (4005, 4778)]