18974954

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 12160150

約数列:

[1, 2, 23, 43, 46, 53, 86, 106, 181, 362, 989, 1219, 1978, 2279, 2438, 4163, 4558, 7783, 8326, 9593, 15566, 19186, 52417, 104834, 179009, 220639, 358018, 412499, 441278, 824998, 9487477, 18974954]

約数ペア:

[(1, 18974954), (2, 9487477), (23, 824998), (43, 441278), (46, 412499), (53, 358018), (86, 220639), (106, 179009), (181, 104834), (362, 52417), (989, 19186), (1219, 15566), (1978, 9593), (2279, 8326), (2438, 7783), (4163, 4558)]