19490616

素因数分解:

$2^3\times 3^2\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 52994760

約数和(自身を除く): 33504144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 421, 643, 842, 1263, 1286, 1684, 1929, 2526, 2572, 3368, 3789, 3858, 5052, 5144, 5787, 7578, 7716, 10104, 11574, 15156, 15432, 23148, 30312, 46296, 270703, 541406, 812109, 1082812, 1624218, 2165624, 2436327, 3248436, 4872654, 6496872, 9745308, 19490616]

約数ペア:

[(1, 19490616), (2, 9745308), (3, 6496872), (4, 4872654), (6, 3248436), (8, 2436327), (9, 2165624), (12, 1624218), (18, 1082812), (24, 812109), (36, 541406), (72, 270703), (421, 46296), (643, 30312), (842, 23148), (1263, 15432), (1286, 15156), (1684, 11574), (1929, 10104), (2526, 7716), (2572, 7578), (3368, 5787), (3789, 5144), (3858, 5052)]