19308780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 63292320

約数和(自身を除く): 43983540

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, 137, 145, 162, 174, 180, 243, 261, 270, 274, 290, 324, 348, 405, 411, 435, 486, 522, 540, 548, 580, 685, 783, 810, 822, 870, 972, 1044, 1215, 1233, 1305, 1370, 1566, 1620, 1644, 1740, 2055, 2349, 2430, 2466, 2610, 2740, 3132, 3699, 3915, 3973, 4110, 4698, 4860, 4932, 5220, 6165, 7047, 7398, 7830, 7946, 8220, 9396, 11097, 11745, 11919, 12330, 14094, 14796, 15660, 15892, 18495, 19865, 22194, 23490, 23838, 24660, 28188, 33291, 35235, 35757, 36990, 39730, 44388, 46980, 47676, 55485, 59595, 66582, 70470, 71514, 73980, 79460, 107271, 110970, 119190, 133164, 140940, 143028, 166455, 178785, 214542, 221940, 238380, 321813, 332910, 357570, 429084, 536355, 643626, 665820, 715140, 965439, 1072710, 1287252, 1609065, 1930878, 2145420, 3218130, 3861756, 4827195, 6436260, 9654390, 19308780]

約数ペア:

[(1, 19308780), (2, 9654390), (3, 6436260), (4, 4827195), (5, 3861756), (6, 3218130), (9, 2145420), (10, 1930878), (12, 1609065), (15, 1287252), (18, 1072710), (20, 965439), (27, 715140), (29, 665820), (30, 643626), (36, 536355), (45, 429084), (54, 357570), (58, 332910), (60, 321813), (81, 238380), (87, 221940), (90, 214542), (108, 178785), (116, 166455), (135, 143028), (137, 140940), (145, 133164), (162, 119190), (174, 110970), (180, 107271), (243, 79460), (261, 73980), (270, 71514), (274, 70470), (290, 66582), (324, 59595), (348, 55485), (405, 47676), (411, 46980), (435, 44388), (486, 39730), (522, 36990), (540, 35757), (548, 35235), (580, 33291), (685, 28188), (783, 24660), (810, 23838), (822, 23490), (870, 22194), (972, 19865), (1044, 18495), (1215, 15892), (1233, 15660), (1305, 14796), (1370, 14094), (1566, 12330), (1620, 11919), (1644, 11745), (1740, 11097), (2055, 9396), (2349, 8220), (2430, 7946), (2466, 7830), (2610, 7398), (2740, 7047), (3132, 6165), (3699, 5220), (3915, 4932), (3973, 4860), (4110, 4698)]