18210560

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 44812656

約数和(自身を除く): 26602096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 347, 410, 640, 656, 694, 820, 1280, 1312, 1388, 1640, 1735, 2624, 2776, 3280, 3470, 5248, 5552, 6560, 6940, 10496, 11104, 13120, 13880, 14227, 22208, 26240, 27760, 28454, 44416, 52480, 55520, 56908, 71135, 88832, 111040, 113816, 142270, 222080, 227632, 284540, 444160, 455264, 569080, 910528, 1138160, 1821056, 2276320, 3642112, 4552640, 9105280, 18210560]

約数ペア:

[(1, 18210560), (2, 9105280), (4, 4552640), (5, 3642112), (8, 2276320), (10, 1821056), (16, 1138160), (20, 910528), (32, 569080), (40, 455264), (41, 444160), (64, 284540), (80, 227632), (82, 222080), (128, 142270), (160, 113816), (164, 111040), (205, 88832), (256, 71135), (320, 56908), (328, 55520), (347, 52480), (410, 44416), (640, 28454), (656, 27760), (694, 26240), (820, 22208), (1280, 14227), (1312, 13880), (1388, 13120), (1640, 11104), (1735, 10496), (2624, 6940), (2776, 6560), (3280, 5552), (3470, 5248)]