18700428

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 26457972

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 191, 199, 246, 382, 398, 492, 573, 597, 764, 796, 1146, 1194, 2292, 2388, 7831, 8159, 15662, 16318, 23493, 24477, 31324, 32636, 38009, 46986, 48954, 76018, 93972, 97908, 114027, 152036, 228054, 456108, 1558369, 3116738, 4675107, 6233476, 9350214, 18700428]

約数ペア:

[(1, 18700428), (2, 9350214), (3, 6233476), (4, 4675107), (6, 3116738), (12, 1558369), (41, 456108), (82, 228054), (123, 152036), (164, 114027), (191, 97908), (199, 93972), (246, 76018), (382, 48954), (398, 46986), (492, 38009), (573, 32636), (597, 31324), (764, 24477), (796, 23493), (1146, 16318), (1194, 15662), (2292, 8159), (2388, 7831)]