16764460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 37427040

約数和(自身を除く): 20662580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 281, 314, 380, 562, 628, 785, 1124, 1405, 1570, 2810, 2983, 3140, 5339, 5620, 5966, 10678, 11932, 14915, 21356, 26695, 29830, 44117, 53390, 59660, 88234, 106780, 176468, 220585, 441170, 838223, 882340, 1676446, 3352892, 4191115, 8382230, 16764460]

約数ペア:

[(1, 16764460), (2, 8382230), (4, 4191115), (5, 3352892), (10, 1676446), (19, 882340), (20, 838223), (38, 441170), (76, 220585), (95, 176468), (157, 106780), (190, 88234), (281, 59660), (314, 53390), (380, 44117), (562, 29830), (628, 26695), (785, 21356), (1124, 14915), (1405, 11932), (1570, 10678), (2810, 5966), (2983, 5620), (3140, 5339)]