19666542

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 46161792

約数和(自身を除く): 26495250

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 151, 294, 302, 443, 453, 886, 906, 1057, 1329, 2114, 2658, 3101, 3171, 6202, 6342, 7399, 9303, 14798, 18606, 21707, 22197, 43414, 44394, 65121, 66893, 130242, 133786, 200679, 401358, 468251, 936502, 1404753, 2809506, 3277757, 6555514, 9833271, 19666542]

約数ペア:

[(1, 19666542), (2, 9833271), (3, 6555514), (6, 3277757), (7, 2809506), (14, 1404753), (21, 936502), (42, 468251), (49, 401358), (98, 200679), (147, 133786), (151, 130242), (294, 66893), (302, 65121), (443, 44394), (453, 43414), (886, 22197), (906, 21707), (1057, 18606), (1329, 14798), (2114, 9303), (2658, 7399), (3101, 6342), (3171, 6202)]