18013856

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 40896576

約数和(自身を除く): 22882720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 587, 959, 1096, 1174, 1918, 2192, 2348, 3836, 4109, 4384, 4696, 7672, 8218, 9392, 15344, 16436, 18784, 30688, 32872, 65744, 80419, 131488, 160838, 321676, 562933, 643352, 1125866, 1286704, 2251732, 2573408, 4503464, 9006928, 18013856]

約数ペア:

[(1, 18013856), (2, 9006928), (4, 4503464), (7, 2573408), (8, 2251732), (14, 1286704), (16, 1125866), (28, 643352), (32, 562933), (56, 321676), (112, 160838), (137, 131488), (224, 80419), (274, 65744), (548, 32872), (587, 30688), (959, 18784), (1096, 16436), (1174, 15344), (1918, 9392), (2192, 8218), (2348, 7672), (3836, 4696), (4109, 4384)]