19718388

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5119}}^1$

素因数の和:5236

約数の個数: 36

約数和(自身を含む): 50319360

約数和(自身を除く): 30600972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5119, 10238, 15357, 20476, 30714, 46071, 61428, 92142, 184284, 547733, 1095466, 1643199, 2190932, 3286398, 4929597, 6572796, 9859194, 19718388]

約数ペア:

[(1, 19718388), (2, 9859194), (3, 6572796), (4, 4929597), (6, 3286398), (9, 2190932), (12, 1643199), (18, 1095466), (36, 547733), (107, 184284), (214, 92142), (321, 61428), (428, 46071), (642, 30714), (963, 20476), (1284, 15357), (1926, 10238), (3852, 5119)]