19812516

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 49156800

約数和(自身を除く): 29344284

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 113, 114, 226, 228, 339, 452, 678, 769, 1356, 1538, 2147, 2307, 3076, 4294, 4614, 6441, 8588, 9228, 12882, 14611, 25764, 29222, 43833, 58444, 86897, 87666, 173794, 175332, 260691, 347588, 521382, 1042764, 1651043, 3302086, 4953129, 6604172, 9906258, 19812516]

約数ペア:

[(1, 19812516), (2, 9906258), (3, 6604172), (4, 4953129), (6, 3302086), (12, 1651043), (19, 1042764), (38, 521382), (57, 347588), (76, 260691), (113, 175332), (114, 173794), (226, 87666), (228, 86897), (339, 58444), (452, 43833), (678, 29222), (769, 25764), (1356, 14611), (1538, 12882), (2147, 9228), (2307, 8588), (3076, 6441), (4294, 4614)]