19333431

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 32793600

約数和(自身を除く): 13460169

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 169, 171, 223, 247, 351, 507, 513, 669, 741, 1521, 2007, 2223, 2899, 3211, 4237, 4563, 6021, 6669, 8697, 9633, 12711, 26091, 28899, 37687, 38133, 55081, 78273, 86697, 113061, 114399, 165243, 339183, 495729, 716053, 1017549, 1487187, 2148159, 6444477, 19333431]

約数ペア:

[(1, 19333431), (3, 6444477), (9, 2148159), (13, 1487187), (19, 1017549), (27, 716053), (39, 495729), (57, 339183), (117, 165243), (169, 114399), (171, 113061), (223, 86697), (247, 78273), (351, 55081), (507, 38133), (513, 37687), (669, 28899), (741, 26091), (1521, 12711), (2007, 9633), (2223, 8697), (2899, 6669), (3211, 6021), (4237, 4563)]