18032910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 64

約数和(自身を含む): 50637312

約数和(自身を除く): 32604402

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 1997, 3010, 3994, 4515, 5991, 9030, 9985, 11982, 13979, 19970, 27958, 29955, 41937, 59910, 69895, 83874, 85871, 139790, 171742, 209685, 257613, 419370, 429355, 515226, 601097, 858710, 1202194, 1288065, 1803291, 2576130, 3005485, 3606582, 6010970, 9016455, 18032910]

約数ペア:

[(1, 18032910), (2, 9016455), (3, 6010970), (5, 3606582), (6, 3005485), (7, 2576130), (10, 1803291), (14, 1288065), (15, 1202194), (21, 858710), (30, 601097), (35, 515226), (42, 429355), (43, 419370), (70, 257613), (86, 209685), (105, 171742), (129, 139790), (210, 85871), (215, 83874), (258, 69895), (301, 59910), (430, 41937), (602, 29955), (645, 27958), (903, 19970), (1290, 13979), (1505, 11982), (1806, 9985), (1997, 9030), (3010, 5991), (3994, 4515)]