19876060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1103}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 45069696

約数和(自身を除く): 25193636

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1103, 1802, 2206, 3604, 4412, 4505, 5515, 9010, 11030, 18020, 18751, 22060, 37502, 58459, 75004, 93755, 116918, 187510, 233836, 292295, 375020, 584590, 993803, 1169180, 1987606, 3975212, 4969015, 9938030, 19876060]

約数ペア:

[(1, 19876060), (2, 9938030), (4, 4969015), (5, 3975212), (10, 1987606), (17, 1169180), (20, 993803), (34, 584590), (53, 375020), (68, 292295), (85, 233836), (106, 187510), (170, 116918), (212, 93755), (265, 75004), (340, 58459), (530, 37502), (901, 22060), (1060, 18751), (1103, 18020), (1802, 11030), (2206, 9010), (3604, 5515), (4412, 4505)]