18935775

素因数分解:

$3^6\times 5^2\times {\mathrm{1039}}^1$

素因数の和:1067

約数の個数: 42

約数和(自身を含む): 35238320

約数和(自身を除く): 16302545

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1039, 1215, 2025, 3117, 3645, 5195, 6075, 9351, 15585, 18225, 25975, 28053, 46755, 77925, 84159, 140265, 233775, 252477, 420795, 701325, 757431, 1262385, 2103975, 3787155, 6311925, 18935775]

約数ペア:

[(1, 18935775), (3, 6311925), (5, 3787155), (9, 2103975), (15, 1262385), (25, 757431), (27, 701325), (45, 420795), (75, 252477), (81, 233775), (135, 140265), (225, 84159), (243, 77925), (405, 46755), (675, 28053), (729, 25975), (1039, 18225), (1215, 15585), (2025, 9351), (3117, 6075), (3645, 5195)]