18859264

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3203}}^1$

素因数の和:3242

約数の個数: 36

約数和(自身を含む): 39293856

約数和(自身を除く): 20434592

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3203, 5888, 6406, 12812, 25624, 51248, 73669, 102496, 147338, 204992, 294676, 409984, 589352, 819968, 1178704, 2357408, 4714816, 9429632, 18859264]

約数ペア:

[(1, 18859264), (2, 9429632), (4, 4714816), (8, 2357408), (16, 1178704), (23, 819968), (32, 589352), (46, 409984), (64, 294676), (92, 204992), (128, 147338), (184, 102496), (256, 73669), (368, 51248), (736, 25624), (1472, 12812), (2944, 6406), (3203, 5888)]