18723256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1$

素因数の和:4495

約数の個数: 32

約数和(自身を含む): 38378880

約数和(自身を除く): 19655624

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4441, 8882, 17764, 35528, 75497, 137671, 150994, 275342, 301988, 550684, 603976, 1101368, 2340407, 4680814, 9361628, 18723256]

約数ペア:

[(1, 18723256), (2, 9361628), (4, 4680814), (8, 2340407), (17, 1101368), (31, 603976), (34, 550684), (62, 301988), (68, 275342), (124, 150994), (136, 137671), (248, 75497), (527, 35528), (1054, 17764), (2108, 8882), (4216, 4441)]