19798695

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 42517440

約数和(自身を除く): 22718745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 49, 63, 73, 105, 123, 135, 147, 189, 205, 219, 245, 287, 315, 365, 369, 441, 511, 615, 657, 735, 861, 945, 1095, 1107, 1323, 1435, 1533, 1845, 1971, 2009, 2205, 2555, 2583, 2993, 3285, 3577, 4305, 4599, 5535, 6027, 6615, 7665, 7749, 8979, 9855, 10045, 10731, 12915, 13797, 14965, 17885, 18081, 20951, 22995, 26937, 30135, 32193, 38745, 44895, 53655, 54243, 62853, 68985, 80811, 90405, 96579, 104755, 134685, 146657, 160965, 188559, 271215, 314265, 404055, 439971, 482895, 565677, 733285, 942795, 1319913, 2199855, 2828385, 3959739, 6599565, 19798695]

約数ペア:

[(1, 19798695), (3, 6599565), (5, 3959739), (7, 2828385), (9, 2199855), (15, 1319913), (21, 942795), (27, 733285), (35, 565677), (41, 482895), (45, 439971), (49, 404055), (63, 314265), (73, 271215), (105, 188559), (123, 160965), (135, 146657), (147, 134685), (189, 104755), (205, 96579), (219, 90405), (245, 80811), (287, 68985), (315, 62853), (365, 54243), (369, 53655), (441, 44895), (511, 38745), (615, 32193), (657, 30135), (735, 26937), (861, 22995), (945, 20951), (1095, 18081), (1107, 17885), (1323, 14965), (1435, 13797), (1533, 12915), (1845, 10731), (1971, 10045), (2009, 9855), (2205, 8979), (2555, 7749), (2583, 7665), (2993, 6615), (3285, 6027), (3577, 5535), (4305, 4599)]