19405890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{30803}}^1$

素因数の和:30823

約数の個数: 48

約数和(自身を含む): 57665088

約数和(自身を除く): 38259198

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 30803, 61606, 92409, 154015, 184818, 215621, 277227, 308030, 431242, 462045, 554454, 646863, 924090, 1078105, 1293726, 1386135, 1940589, 2156210, 2772270, 3234315, 3881178, 6468630, 9702945, 19405890]

約数ペア:

[(1, 19405890), (2, 9702945), (3, 6468630), (5, 3881178), (6, 3234315), (7, 2772270), (9, 2156210), (10, 1940589), (14, 1386135), (15, 1293726), (18, 1078105), (21, 924090), (30, 646863), (35, 554454), (42, 462045), (45, 431242), (63, 308030), (70, 277227), (90, 215621), (105, 184818), (126, 154015), (210, 92409), (315, 61606), (630, 30803)]