18972135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 41827968

約数和(自身を除く): 22855833

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 41, 45, 63, 65, 91, 105, 113, 117, 123, 195, 205, 273, 287, 315, 339, 369, 455, 533, 565, 585, 615, 791, 819, 861, 1017, 1365, 1435, 1469, 1599, 1695, 1845, 2373, 2583, 2665, 3731, 3955, 4095, 4305, 4407, 4633, 4797, 5085, 7119, 7345, 7995, 10283, 11193, 11865, 12915, 13221, 13899, 18655, 22035, 23165, 23985, 30849, 32431, 33579, 35595, 41697, 51415, 55965, 60229, 66105, 69495, 92547, 97293, 154245, 162155, 167895, 180687, 208485, 291879, 301145, 421603, 462735, 486465, 542061, 903435, 1264809, 1459395, 2108015, 2710305, 3794427, 6324045, 18972135]

約数ペア:

[(1, 18972135), (3, 6324045), (5, 3794427), (7, 2710305), (9, 2108015), (13, 1459395), (15, 1264809), (21, 903435), (35, 542061), (39, 486465), (41, 462735), (45, 421603), (63, 301145), (65, 291879), (91, 208485), (105, 180687), (113, 167895), (117, 162155), (123, 154245), (195, 97293), (205, 92547), (273, 69495), (287, 66105), (315, 60229), (339, 55965), (369, 51415), (455, 41697), (533, 35595), (565, 33579), (585, 32431), (615, 30849), (791, 23985), (819, 23165), (861, 22035), (1017, 18655), (1365, 13899), (1435, 13221), (1469, 12915), (1599, 11865), (1695, 11193), (1845, 10283), (2373, 7995), (2583, 7345), (2665, 7119), (3731, 5085), (3955, 4797), (4095, 4633), (4305, 4407)]