18735864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 53875200

約数和(自身を除く): 35139336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 229, 458, 487, 687, 916, 974, 1374, 1461, 1603, 1832, 1948, 2748, 2922, 3206, 3409, 3896, 4809, 5496, 5844, 6412, 6818, 9618, 10227, 11688, 12824, 13636, 19236, 20454, 27272, 38472, 40908, 81816, 111523, 223046, 334569, 446092, 669138, 780661, 892184, 1338276, 1561322, 2341983, 2676552, 3122644, 4683966, 6245288, 9367932, 18735864]

約数ペア:

[(1, 18735864), (2, 9367932), (3, 6245288), (4, 4683966), (6, 3122644), (7, 2676552), (8, 2341983), (12, 1561322), (14, 1338276), (21, 892184), (24, 780661), (28, 669138), (42, 446092), (56, 334569), (84, 223046), (168, 111523), (229, 81816), (458, 40908), (487, 38472), (687, 27272), (916, 20454), (974, 19236), (1374, 13636), (1461, 12824), (1603, 11688), (1832, 10227), (1948, 9618), (2748, 6818), (2922, 6412), (3206, 5844), (3409, 5496), (3896, 4809)]