19684620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 64033200

約数和(自身を除く): 44348580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 419, 435, 522, 540, 580, 783, 810, 838, 870, 1044, 1257, 1305, 1566, 1620, 1676, 1740, 2095, 2349, 2514, 2610, 3132, 3771, 3915, 4190, 4698, 5028, 5220, 6285, 7542, 7830, 8380, 9396, 11313, 11745, 12151, 12570, 15084, 15660, 18855, 22626, 23490, 24302, 25140, 33939, 36453, 37710, 45252, 46980, 48604, 56565, 60755, 67878, 72906, 75420, 109359, 113130, 121510, 135756, 145812, 169695, 182265, 218718, 226260, 243020, 328077, 339390, 364530, 437436, 546795, 656154, 678780, 729060, 984231, 1093590, 1312308, 1640385, 1968462, 2187180, 3280770, 3936924, 4921155, 6561540, 9842310, 19684620]

約数ペア:

[(1, 19684620), (2, 9842310), (3, 6561540), (4, 4921155), (5, 3936924), (6, 3280770), (9, 2187180), (10, 1968462), (12, 1640385), (15, 1312308), (18, 1093590), (20, 984231), (27, 729060), (29, 678780), (30, 656154), (36, 546795), (45, 437436), (54, 364530), (58, 339390), (60, 328077), (81, 243020), (87, 226260), (90, 218718), (108, 182265), (116, 169695), (135, 145812), (145, 135756), (162, 121510), (174, 113130), (180, 109359), (261, 75420), (270, 72906), (290, 67878), (324, 60755), (348, 56565), (405, 48604), (419, 46980), (435, 45252), (522, 37710), (540, 36453), (580, 33939), (783, 25140), (810, 24302), (838, 23490), (870, 22626), (1044, 18855), (1257, 15660), (1305, 15084), (1566, 12570), (1620, 12151), (1676, 11745), (1740, 11313), (2095, 9396), (2349, 8380), (2514, 7830), (2610, 7542), (3132, 6285), (3771, 5220), (3915, 5028), (4190, 4698)]