19430901

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 35294400

約数和(自身を除く): 15863499

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 773, 931, 1197, 1323, 2319, 2793, 3591, 5411, 6957, 8379, 14687, 16233, 20871, 25137, 37877, 44061, 48699, 102809, 113631, 132183, 146097, 308427, 340893, 396549, 719663, 925281, 1022679, 2158989, 2775843, 6476967, 19430901]

約数ペア:

[(1, 19430901), (3, 6476967), (7, 2775843), (9, 2158989), (19, 1022679), (21, 925281), (27, 719663), (49, 396549), (57, 340893), (63, 308427), (133, 146097), (147, 132183), (171, 113631), (189, 102809), (399, 48699), (441, 44061), (513, 37877), (773, 25137), (931, 20871), (1197, 16233), (1323, 14687), (2319, 8379), (2793, 6957), (3591, 5411)]