19539765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 44236800

約数和(自身を除く): 24697035

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 29, 31, 35, 45, 63, 69, 87, 93, 105, 115, 135, 145, 155, 161, 189, 203, 207, 217, 261, 279, 315, 345, 435, 465, 483, 609, 621, 651, 667, 713, 783, 805, 837, 899, 945, 1015, 1035, 1085, 1305, 1395, 1449, 1827, 1953, 2001, 2139, 2415, 2697, 3045, 3105, 3255, 3335, 3565, 3915, 4185, 4347, 4495, 4669, 4991, 5481, 5859, 6003, 6293, 6417, 7245, 8091, 9135, 9765, 10005, 10695, 13485, 14007, 14973, 18009, 18879, 19251, 20677, 21735, 23345, 24273, 24955, 27405, 29295, 30015, 31465, 32085, 40455, 42021, 44919, 56637, 62031, 70035, 74865, 90045, 94395, 96255, 103385, 121365, 126063, 134757, 144739, 169911, 186093, 210105, 224595, 283185, 310155, 434217, 558279, 630315, 673785, 723695, 849555, 930465, 1302651, 2171085, 2791395, 3907953, 6513255, 19539765]

約数ペア:

[(1, 19539765), (3, 6513255), (5, 3907953), (7, 2791395), (9, 2171085), (15, 1302651), (21, 930465), (23, 849555), (27, 723695), (29, 673785), (31, 630315), (35, 558279), (45, 434217), (63, 310155), (69, 283185), (87, 224595), (93, 210105), (105, 186093), (115, 169911), (135, 144739), (145, 134757), (155, 126063), (161, 121365), (189, 103385), (203, 96255), (207, 94395), (217, 90045), (261, 74865), (279, 70035), (315, 62031), (345, 56637), (435, 44919), (465, 42021), (483, 40455), (609, 32085), (621, 31465), (651, 30015), (667, 29295), (713, 27405), (783, 24955), (805, 24273), (837, 23345), (899, 21735), (945, 20677), (1015, 19251), (1035, 18879), (1085, 18009), (1305, 14973), (1395, 14007), (1449, 13485), (1827, 10695), (1953, 10005), (2001, 9765), (2139, 9135), (2415, 8091), (2697, 7245), (3045, 6417), (3105, 6293), (3255, 6003), (3335, 5859), (3565, 5481), (3915, 4991), (4185, 4669), (4347, 4495)]