19575780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 63307776

約数和(自身を除く): 43731996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 127, 140, 210, 254, 367, 381, 420, 508, 635, 734, 762, 889, 1101, 1270, 1468, 1524, 1778, 1835, 1905, 2202, 2540, 2569, 2667, 3556, 3670, 3810, 4404, 4445, 5138, 5334, 5505, 7340, 7620, 7707, 8890, 10276, 10668, 11010, 12845, 13335, 15414, 17780, 22020, 25690, 26670, 30828, 38535, 46609, 51380, 53340, 77070, 93218, 139827, 154140, 186436, 233045, 279654, 326263, 466090, 559308, 652526, 699135, 932180, 978789, 1305052, 1398270, 1631315, 1957578, 2796540, 3262630, 3915156, 4893945, 6525260, 9787890, 19575780]

約数ペア:

[(1, 19575780), (2, 9787890), (3, 6525260), (4, 4893945), (5, 3915156), (6, 3262630), (7, 2796540), (10, 1957578), (12, 1631315), (14, 1398270), (15, 1305052), (20, 978789), (21, 932180), (28, 699135), (30, 652526), (35, 559308), (42, 466090), (60, 326263), (70, 279654), (84, 233045), (105, 186436), (127, 154140), (140, 139827), (210, 93218), (254, 77070), (367, 53340), (381, 51380), (420, 46609), (508, 38535), (635, 30828), (734, 26670), (762, 25690), (889, 22020), (1101, 17780), (1270, 15414), (1468, 13335), (1524, 12845), (1778, 11010), (1835, 10668), (1905, 10276), (2202, 8890), (2540, 7707), (2569, 7620), (2667, 7340), (3556, 5505), (3670, 5334), (3810, 5138), (4404, 4445)]