30781406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 52012800

約数和(自身を除く): 21231394

約数列:

[1, 2, 19, 23, 38, 41, 46, 82, 437, 779, 859, 874, 943, 1558, 1718, 1886, 16321, 17917, 19757, 32642, 35219, 35834, 39514, 70438, 375383, 669161, 750766, 810037, 1338322, 1620074, 15390703, 30781406]

約数ペア:

[(1, 30781406), (2, 15390703), (19, 1620074), (23, 1338322), (38, 810037), (41, 750766), (46, 669161), (82, 375383), (437, 70438), (779, 39514), (859, 35834), (874, 35219), (943, 32642), (1558, 19757), (1718, 17917), (1886, 16321)]