19305405

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 40550400

約数和(自身を除く): 21244995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 651, 659, 837, 945, 1085, 1395, 1953, 1977, 3255, 3295, 4185, 4613, 5859, 5931, 9765, 9885, 13839, 17793, 20429, 23065, 29295, 29655, 41517, 61287, 69195, 88965, 102145, 124551, 143003, 183861, 207585, 306435, 429009, 551583, 622755, 715015, 919305, 1287027, 2145045, 2757915, 3861081, 6435135, 19305405]

約数ペア:

[(1, 19305405), (3, 6435135), (5, 3861081), (7, 2757915), (9, 2145045), (15, 1287027), (21, 919305), (27, 715015), (31, 622755), (35, 551583), (45, 429009), (63, 306435), (93, 207585), (105, 183861), (135, 143003), (155, 124551), (189, 102145), (217, 88965), (279, 69195), (315, 61287), (465, 41517), (651, 29655), (659, 29295), (837, 23065), (945, 20429), (1085, 17793), (1395, 13839), (1953, 9885), (1977, 9765), (3255, 5931), (3295, 5859), (4185, 4613)]