19516650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5657}}^1$

素因数の和:5695

約数の個数: 48

約数和(自身を含む): 50514624

約数和(自身を除く): 30997974

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5657, 11314, 16971, 28285, 33942, 56570, 84855, 130111, 141425, 169710, 260222, 282850, 390333, 424275, 650555, 780666, 848550, 1301110, 1951665, 3252775, 3903330, 6505550, 9758325, 19516650]

約数ペア:

[(1, 19516650), (2, 9758325), (3, 6505550), (5, 3903330), (6, 3252775), (10, 1951665), (15, 1301110), (23, 848550), (25, 780666), (30, 650555), (46, 424275), (50, 390333), (69, 282850), (75, 260222), (115, 169710), (138, 141425), (150, 130111), (230, 84855), (345, 56570), (575, 33942), (690, 28285), (1150, 16971), (1725, 11314), (3450, 5657)]