18899370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 56833920

約数和(自身を除く): 37934550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 131, 210, 229, 262, 315, 393, 458, 630, 655, 687, 786, 917, 1145, 1179, 1310, 1374, 1603, 1834, 1965, 2061, 2290, 2358, 2751, 3206, 3435, 3930, 4122, 4585, 4809, 5502, 5895, 6870, 8015, 8253, 9170, 9618, 10305, 11790, 13755, 14427, 16030, 16506, 20610, 24045, 27510, 28854, 29999, 41265, 48090, 59998, 72135, 82530, 89997, 144270, 149995, 179994, 209993, 269991, 299990, 419986, 449985, 539982, 629979, 899970, 1049965, 1259958, 1349955, 1889937, 2099930, 2699910, 3149895, 3779874, 6299790, 9449685, 18899370]

約数ペア:

[(1, 18899370), (2, 9449685), (3, 6299790), (5, 3779874), (6, 3149895), (7, 2699910), (9, 2099930), (10, 1889937), (14, 1349955), (15, 1259958), (18, 1049965), (21, 899970), (30, 629979), (35, 539982), (42, 449985), (45, 419986), (63, 299990), (70, 269991), (90, 209993), (105, 179994), (126, 149995), (131, 144270), (210, 89997), (229, 82530), (262, 72135), (315, 59998), (393, 48090), (458, 41265), (630, 29999), (655, 28854), (687, 27510), (786, 24045), (917, 20610), (1145, 16506), (1179, 16030), (1310, 14427), (1374, 13755), (1603, 11790), (1834, 10305), (1965, 9618), (2061, 9170), (2290, 8253), (2358, 8015), (2751, 6870), (3206, 5895), (3435, 5502), (3930, 4809), (4122, 4585)]