19293687

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 35020800

約数和(自身を除く): 15727113

約数列:

[1, 3, 7, 9, 21, 27, 31, 37, 63, 89, 93, 111, 189, 217, 259, 267, 279, 333, 623, 651, 777, 801, 837, 999, 1147, 1869, 1953, 2331, 2403, 2759, 3293, 3441, 5607, 5859, 6993, 8029, 8277, 9879, 10323, 16821, 19313, 23051, 24087, 24831, 29637, 30969, 57939, 69153, 72261, 74493, 88911, 102083, 173817, 207459, 216783, 306249, 521451, 622377, 714581, 918747, 2143743, 2756241, 6431229, 19293687]

約数ペア:

[(1, 19293687), (3, 6431229), (7, 2756241), (9, 2143743), (21, 918747), (27, 714581), (31, 622377), (37, 521451), (63, 306249), (89, 216783), (93, 207459), (111, 173817), (189, 102083), (217, 88911), (259, 74493), (267, 72261), (279, 69153), (333, 57939), (623, 30969), (651, 29637), (777, 24831), (801, 24087), (837, 23051), (999, 19313), (1147, 16821), (1869, 10323), (1953, 9879), (2331, 8277), (2403, 8029), (2759, 6993), (3293, 5859), (3441, 5607)]