18697420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19079}}^1$

素因数の和:19102

約数の個数: 36

約数和(自身を含む): 45677520

約数和(自身を除く): 26980100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19079, 38158, 76316, 95395, 133553, 190790, 267106, 381580, 534212, 667765, 934871, 1335530, 1869742, 2671060, 3739484, 4674355, 9348710, 18697420]

約数ペア:

[(1, 18697420), (2, 9348710), (4, 4674355), (5, 3739484), (7, 2671060), (10, 1869742), (14, 1335530), (20, 934871), (28, 667765), (35, 534212), (49, 381580), (70, 267106), (98, 190790), (140, 133553), (196, 95395), (245, 76316), (490, 38158), (980, 19079)]