20218539274

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{109}}^2\times {\mathrm{2357}}^1$

素因数の和:2615

約数の個数: 36

約数和(自身を含む): 32318071254

約数和(自身を除く): 12099531980

約数列:

[1, 2, 19, 38, 109, 218, 361, 722, 2071, 2357, 4142, 4714, 11881, 23762, 39349, 44783, 78698, 89566, 225739, 256913, 451478, 513826, 850877, 1701754, 4289041, 4881347, 8578082, 9762694, 28003517, 56007034, 92745593, 185491186, 532066823, 1064133646, 10109269637, 20218539274]

約数ペア:

[(1, 20218539274), (2, 10109269637), (19, 1064133646), (38, 532066823), (109, 185491186), (218, 92745593), (361, 56007034), (722, 28003517), (2071, 9762694), (2357, 8578082), (4142, 4881347), (4714, 4289041), (11881, 1701754), (23762, 850877), (39349, 513826), (44783, 451478), (78698, 256913), (89566, 225739)]