19091536

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:731

約数の個数: 40

約数和(自身を含む): 38870528

約数和(自身を除く): 19778992

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 631, 976, 1262, 1891, 2524, 3782, 5048, 7564, 10096, 15128, 19561, 30256, 38491, 39122, 76982, 78244, 153964, 156488, 307928, 312976, 615856, 1193221, 2386442, 4772884, 9545768, 19091536]

約数ペア:

[(1, 19091536), (2, 9545768), (4, 4772884), (8, 2386442), (16, 1193221), (31, 615856), (61, 312976), (62, 307928), (122, 156488), (124, 153964), (244, 78244), (248, 76982), (488, 39122), (496, 38491), (631, 30256), (976, 19561), (1262, 15128), (1891, 10096), (2524, 7564), (3782, 5048)]