19043775

素因数分解:

$3^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 35488800

約数和(自身を除く): 16445025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 89, 135, 225, 267, 317, 445, 675, 801, 951, 1335, 1585, 2225, 2403, 2853, 4005, 4755, 6675, 7925, 8559, 12015, 14265, 20025, 23775, 28213, 42795, 60075, 71325, 84639, 141065, 213975, 253917, 423195, 705325, 761751, 1269585, 2115975, 3808755, 6347925, 19043775]

約数ペア:

[(1, 19043775), (3, 6347925), (5, 3808755), (9, 2115975), (15, 1269585), (25, 761751), (27, 705325), (45, 423195), (75, 253917), (89, 213975), (135, 141065), (225, 84639), (267, 71325), (317, 60075), (445, 42795), (675, 28213), (801, 23775), (951, 20025), (1335, 14265), (1585, 12015), (2225, 8559), (2403, 7925), (2853, 6675), (4005, 4755)]