18992060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 42801696

約数和(自身を除く): 23809636

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 673, 830, 1346, 1411, 1660, 2692, 2822, 3365, 5644, 6730, 7055, 11441, 13460, 14110, 22882, 28220, 45764, 55859, 57205, 111718, 114410, 223436, 228820, 279295, 558590, 949603, 1117180, 1899206, 3798412, 4748015, 9496030, 18992060]

約数ペア:

[(1, 18992060), (2, 9496030), (4, 4748015), (5, 3798412), (10, 1899206), (17, 1117180), (20, 949603), (34, 558590), (68, 279295), (83, 228820), (85, 223436), (166, 114410), (170, 111718), (332, 57205), (340, 55859), (415, 45764), (673, 28220), (830, 22882), (1346, 14110), (1411, 13460), (1660, 11441), (2692, 7055), (2822, 6730), (3365, 5644)]