19347255

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 37914624

約数和(自身を除く): 18567369

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 67, 69, 81, 93, 115, 135, 155, 201, 207, 279, 335, 345, 405, 465, 603, 621, 713, 837, 1005, 1035, 1395, 1541, 1809, 1863, 2077, 2139, 2511, 3015, 3105, 3565, 4185, 4623, 5427, 6231, 6417, 7705, 9045, 9315, 10385, 10695, 12555, 13869, 18693, 19251, 23115, 27135, 31155, 32085, 41607, 47771, 56079, 57753, 69345, 93465, 96255, 124821, 143313, 168237, 208035, 238855, 280395, 288765, 429939, 624105, 716565, 841185, 1289817, 2149695, 3869451, 6449085, 19347255]

約数ペア:

[(1, 19347255), (3, 6449085), (5, 3869451), (9, 2149695), (15, 1289817), (23, 841185), (27, 716565), (31, 624105), (45, 429939), (67, 288765), (69, 280395), (81, 238855), (93, 208035), (115, 168237), (135, 143313), (155, 124821), (201, 96255), (207, 93465), (279, 69345), (335, 57753), (345, 56079), (405, 47771), (465, 41607), (603, 32085), (621, 31155), (713, 27135), (837, 23115), (1005, 19251), (1035, 18693), (1395, 13869), (1541, 12555), (1809, 10695), (1863, 10385), (2077, 9315), (2139, 9045), (2511, 7705), (3015, 6417), (3105, 6231), (3565, 5427), (4185, 4623)]