18139916

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 34492752

約数和(自身を除く): 16352836

約数列:

[1, 2, 4, 23, 37, 46, 73, 74, 92, 146, 148, 292, 851, 1679, 1702, 2701, 3358, 3404, 5329, 5402, 6716, 10658, 10804, 21316, 62123, 122567, 124246, 197173, 245134, 248492, 394346, 490268, 788692, 4534979, 9069958, 18139916]

約数ペア:

[(1, 18139916), (2, 9069958), (4, 4534979), (23, 788692), (37, 490268), (46, 394346), (73, 248492), (74, 245134), (92, 197173), (146, 124246), (148, 122567), (292, 62123), (851, 21316), (1679, 10804), (1702, 10658), (2701, 6716), (3358, 5402), (3404, 5329)]