18036780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6991}}^1$

素因数の和:7046

約数の個数: 48

約数和(自身を含む): 51684864

約数和(自身を除く): 33648084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 6991, 13982, 20973, 27964, 34955, 41946, 69910, 83892, 104865, 139820, 209730, 300613, 419460, 601226, 901839, 1202452, 1503065, 1803678, 3006130, 3607356, 4509195, 6012260, 9018390, 18036780]

約数ペア:

[(1, 18036780), (2, 9018390), (3, 6012260), (4, 4509195), (5, 3607356), (6, 3006130), (10, 1803678), (12, 1503065), (15, 1202452), (20, 901839), (30, 601226), (43, 419460), (60, 300613), (86, 209730), (129, 139820), (172, 104865), (215, 83892), (258, 69910), (430, 41946), (516, 34955), (645, 27964), (860, 20973), (1290, 13982), (2580, 6991)]