18873612

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 51520560

約数和(自身を除く): 32646948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 342, 369, 492, 673, 684, 738, 779, 1346, 1476, 1558, 2019, 2337, 2692, 3116, 4038, 4674, 6057, 7011, 8076, 9348, 12114, 12787, 14022, 24228, 25574, 27593, 28044, 38361, 51148, 55186, 76722, 82779, 110372, 115083, 153444, 165558, 230166, 248337, 331116, 460332, 496674, 524267, 993348, 1048534, 1572801, 2097068, 3145602, 4718403, 6291204, 9436806, 18873612]

約数ペア:

[(1, 18873612), (2, 9436806), (3, 6291204), (4, 4718403), (6, 3145602), (9, 2097068), (12, 1572801), (18, 1048534), (19, 993348), (36, 524267), (38, 496674), (41, 460332), (57, 331116), (76, 248337), (82, 230166), (114, 165558), (123, 153444), (164, 115083), (171, 110372), (228, 82779), (246, 76722), (342, 55186), (369, 51148), (492, 38361), (673, 28044), (684, 27593), (738, 25574), (779, 24228), (1346, 14022), (1476, 12787), (1558, 12114), (2019, 9348), (2337, 8076), (2692, 7011), (3116, 6057), (4038, 4674)]