19075455

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 39587184

約数和(自身を除く): 20511729

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 63, 105, 123, 147, 205, 211, 245, 287, 315, 369, 441, 615, 633, 735, 861, 1055, 1435, 1477, 1845, 1899, 2009, 2205, 2583, 3165, 4305, 4431, 6027, 7385, 8651, 9495, 10045, 10339, 12915, 13293, 18081, 22155, 25953, 30135, 31017, 43255, 51695, 60557, 66465, 77859, 90405, 93051, 129765, 155085, 181671, 302785, 389295, 423899, 465255, 545013, 908355, 1271697, 2119495, 2725065, 3815091, 6358485, 19075455]

約数ペア:

[(1, 19075455), (3, 6358485), (5, 3815091), (7, 2725065), (9, 2119495), (15, 1271697), (21, 908355), (35, 545013), (41, 465255), (45, 423899), (49, 389295), (63, 302785), (105, 181671), (123, 155085), (147, 129765), (205, 93051), (211, 90405), (245, 77859), (287, 66465), (315, 60557), (369, 51695), (441, 43255), (615, 31017), (633, 30135), (735, 25953), (861, 22155), (1055, 18081), (1435, 13293), (1477, 12915), (1845, 10339), (1899, 10045), (2009, 9495), (2205, 8651), (2583, 7385), (3165, 6027), (4305, 4431)]