171964516

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{119089}}^1$

素因数の和:119131

約数の個数: 18

約数和(自身を含む): 317613030

約数和(自身を除く): 145648514

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 119089, 238178, 476356, 2262691, 4525382, 9050764, 42991129, 85982258, 171964516]

約数ペア:

[(1, 171964516), (2, 85982258), (4, 42991129), (19, 9050764), (38, 4525382), (76, 2262691), (361, 476356), (722, 238178), (1444, 119089)]