19663860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 59351040

約数和(自身を除く): 39687180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 47, 57, 60, 76, 94, 95, 114, 141, 188, 190, 228, 235, 282, 285, 367, 380, 470, 564, 570, 705, 734, 893, 940, 1101, 1140, 1410, 1468, 1786, 1835, 2202, 2679, 2820, 3572, 3670, 4404, 4465, 5358, 5505, 6973, 7340, 8930, 10716, 11010, 13395, 13946, 17249, 17860, 20919, 22020, 26790, 27892, 34498, 34865, 41838, 51747, 53580, 68996, 69730, 83676, 86245, 103494, 104595, 139460, 172490, 206988, 209190, 258735, 327731, 344980, 418380, 517470, 655462, 983193, 1034940, 1310924, 1638655, 1966386, 3277310, 3932772, 4915965, 6554620, 9831930, 19663860]

約数ペア:

[(1, 19663860), (2, 9831930), (3, 6554620), (4, 4915965), (5, 3932772), (6, 3277310), (10, 1966386), (12, 1638655), (15, 1310924), (19, 1034940), (20, 983193), (30, 655462), (38, 517470), (47, 418380), (57, 344980), (60, 327731), (76, 258735), (94, 209190), (95, 206988), (114, 172490), (141, 139460), (188, 104595), (190, 103494), (228, 86245), (235, 83676), (282, 69730), (285, 68996), (367, 53580), (380, 51747), (470, 41838), (564, 34865), (570, 34498), (705, 27892), (734, 26790), (893, 22020), (940, 20919), (1101, 17860), (1140, 17249), (1410, 13946), (1468, 13395), (1786, 11010), (1835, 10716), (2202, 8930), (2679, 7340), (2820, 6973), (3572, 5505), (3670, 5358), (4404, 4465)]