19886175

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1733}}^1$

素因数の和:1769

約数の個数: 48

約数和(自身を含む): 38702880

約数和(自身を除く): 18816705

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 1733, 2295, 3825, 5199, 8665, 11475, 15597, 25995, 29461, 43325, 46791, 77985, 88383, 129975, 147305, 233955, 265149, 389925, 441915, 736525, 795447, 1169775, 1325745, 2209575, 3977235, 6628725, 19886175]

約数ペア:

[(1, 19886175), (3, 6628725), (5, 3977235), (9, 2209575), (15, 1325745), (17, 1169775), (25, 795447), (27, 736525), (45, 441915), (51, 389925), (75, 265149), (85, 233955), (135, 147305), (153, 129975), (225, 88383), (255, 77985), (425, 46791), (459, 43325), (675, 29461), (765, 25995), (1275, 15597), (1733, 11475), (2295, 8665), (3825, 5199)]