18196496

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 37122624

約数和(自身を除く): 18926128

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 197, 251, 368, 394, 502, 788, 1004, 1576, 2008, 3152, 4016, 4531, 5773, 9062, 11546, 18124, 23092, 36248, 46184, 49447, 72496, 92368, 98894, 197788, 395576, 791152, 1137281, 2274562, 4549124, 9098248, 18196496]

約数ペア:

[(1, 18196496), (2, 9098248), (4, 4549124), (8, 2274562), (16, 1137281), (23, 791152), (46, 395576), (92, 197788), (184, 98894), (197, 92368), (251, 72496), (368, 49447), (394, 46184), (502, 36248), (788, 23092), (1004, 18124), (1576, 11546), (2008, 9062), (3152, 5773), (4016, 4531)]