19668810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 54316800

約数和(自身を除く): 34647990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 229, 409, 458, 687, 818, 1145, 1227, 1374, 1603, 2045, 2290, 2454, 2863, 3206, 3435, 4090, 4809, 5726, 6135, 6870, 8015, 8589, 9618, 12270, 14315, 16030, 17178, 24045, 28630, 42945, 48090, 85890, 93661, 187322, 280983, 468305, 561966, 655627, 936610, 1311254, 1404915, 1966881, 2809830, 3278135, 3933762, 6556270, 9834405, 19668810]

約数ペア:

[(1, 19668810), (2, 9834405), (3, 6556270), (5, 3933762), (6, 3278135), (7, 2809830), (10, 1966881), (14, 1404915), (15, 1311254), (21, 936610), (30, 655627), (35, 561966), (42, 468305), (70, 280983), (105, 187322), (210, 93661), (229, 85890), (409, 48090), (458, 42945), (687, 28630), (818, 24045), (1145, 17178), (1227, 16030), (1374, 14315), (1603, 12270), (2045, 9618), (2290, 8589), (2454, 8015), (2863, 6870), (3206, 6135), (3435, 5726), (4090, 4809)]