19537700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 55413120

約数和(自身を除く): 35875420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 50, 52, 65, 70, 76, 91, 95, 100, 113, 130, 133, 140, 175, 182, 190, 226, 247, 260, 266, 325, 350, 364, 380, 452, 455, 475, 494, 532, 565, 650, 665, 700, 791, 910, 950, 988, 1130, 1235, 1300, 1330, 1469, 1582, 1729, 1820, 1900, 2147, 2260, 2275, 2470, 2660, 2825, 2938, 3164, 3325, 3458, 3955, 4294, 4550, 4940, 5650, 5876, 6175, 6650, 6916, 7345, 7910, 8588, 8645, 9100, 10283, 10735, 11300, 12350, 13300, 14690, 15029, 15820, 17290, 19775, 20566, 21470, 24700, 27911, 29380, 30058, 34580, 36725, 39550, 41132, 42940, 43225, 51415, 53675, 55822, 60116, 73450, 75145, 79100, 86450, 102830, 107350, 111644, 139555, 146900, 150290, 172900, 195377, 205660, 214700, 257075, 279110, 300580, 375725, 390754, 514150, 558220, 697775, 751450, 781508, 976885, 1028300, 1395550, 1502900, 1953770, 2791100, 3907540, 4884425, 9768850, 19537700]

約数ペア:

[(1, 19537700), (2, 9768850), (4, 4884425), (5, 3907540), (7, 2791100), (10, 1953770), (13, 1502900), (14, 1395550), (19, 1028300), (20, 976885), (25, 781508), (26, 751450), (28, 697775), (35, 558220), (38, 514150), (50, 390754), (52, 375725), (65, 300580), (70, 279110), (76, 257075), (91, 214700), (95, 205660), (100, 195377), (113, 172900), (130, 150290), (133, 146900), (140, 139555), (175, 111644), (182, 107350), (190, 102830), (226, 86450), (247, 79100), (260, 75145), (266, 73450), (325, 60116), (350, 55822), (364, 53675), (380, 51415), (452, 43225), (455, 42940), (475, 41132), (494, 39550), (532, 36725), (565, 34580), (650, 30058), (665, 29380), (700, 27911), (791, 24700), (910, 21470), (950, 20566), (988, 19775), (1130, 17290), (1235, 15820), (1300, 15029), (1330, 14690), (1469, 13300), (1582, 12350), (1729, 11300), (1820, 10735), (1900, 10283), (2147, 9100), (2260, 8645), (2275, 8588), (2470, 7910), (2660, 7345), (2825, 6916), (2938, 6650), (3164, 6175), (3325, 5876), (3458, 5650), (3955, 4940), (4294, 4550)]