19129330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7561}}^1$

素因数の和:7602

約数の個数: 32

約数和(自身を含む): 39201408

約数和(自身を除く): 20072078

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7561, 15122, 37805, 75610, 83171, 166342, 173903, 347806, 415855, 831710, 869515, 1739030, 1912933, 3825866, 9564665, 19129330]

約数ペア:

[(1, 19129330), (2, 9564665), (5, 3825866), (10, 1912933), (11, 1739030), (22, 869515), (23, 831710), (46, 415855), (55, 347806), (110, 173903), (115, 166342), (230, 83171), (253, 75610), (506, 37805), (1265, 15122), (2530, 7561)]