19617885

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 41932800

約数和(自身を除く): 22314915

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 41, 45, 49, 63, 93, 105, 123, 147, 155, 205, 217, 245, 279, 287, 315, 343, 369, 441, 465, 615, 651, 735, 861, 1029, 1085, 1271, 1395, 1435, 1519, 1715, 1845, 1953, 2009, 2205, 2583, 3087, 3255, 3813, 4305, 4557, 5145, 6027, 6355, 7595, 8897, 9765, 10045, 10633, 11439, 12915, 13671, 14063, 15435, 18081, 19065, 22785, 26691, 30135, 31899, 42189, 44485, 53165, 57195, 62279, 68355, 70315, 80073, 90405, 95697, 126567, 133455, 159495, 186837, 210945, 311395, 400365, 435953, 478485, 560511, 632835, 934185, 1307859, 2179765, 2802555, 3923577, 6539295, 19617885]

約数ペア:

[(1, 19617885), (3, 6539295), (5, 3923577), (7, 2802555), (9, 2179765), (15, 1307859), (21, 934185), (31, 632835), (35, 560511), (41, 478485), (45, 435953), (49, 400365), (63, 311395), (93, 210945), (105, 186837), (123, 159495), (147, 133455), (155, 126567), (205, 95697), (217, 90405), (245, 80073), (279, 70315), (287, 68355), (315, 62279), (343, 57195), (369, 53165), (441, 44485), (465, 42189), (615, 31899), (651, 30135), (735, 26691), (861, 22785), (1029, 19065), (1085, 18081), (1271, 15435), (1395, 14063), (1435, 13671), (1519, 12915), (1715, 11439), (1845, 10633), (1953, 10045), (2009, 9765), (2205, 8897), (2583, 7595), (3087, 6355), (3255, 6027), (3813, 5145), (4305, 4557)]