19495917

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3557}}^1$

素因数の和:3602

約数の個数: 32

約数和(自身を含む): 34156800

約数和(自身を除く): 14660883

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3557, 5481, 10671, 24899, 32013, 74697, 96039, 103153, 224091, 309459, 672273, 722071, 928377, 2166213, 2785131, 6498639, 19495917]

約数ペア:

[(1, 19495917), (3, 6498639), (7, 2785131), (9, 2166213), (21, 928377), (27, 722071), (29, 672273), (63, 309459), (87, 224091), (189, 103153), (203, 96039), (261, 74697), (609, 32013), (783, 24899), (1827, 10671), (3557, 5481)]