18953488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62347}}^1$

素因数の和:62374

約数の個数: 20

約数和(自身を含む): 38655760

約数和(自身を除く): 19702272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62347, 124694, 249388, 498776, 997552, 1184593, 2369186, 4738372, 9476744, 18953488]

約数ペア:

[(1, 18953488), (2, 9476744), (4, 4738372), (8, 2369186), (16, 1184593), (19, 997552), (38, 498776), (76, 249388), (152, 124694), (304, 62347)]