19998324

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 54899208

約数和(自身を除く): 34900884

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 41, 51, 68, 82, 102, 123, 153, 164, 204, 246, 306, 369, 492, 612, 697, 738, 797, 1394, 1476, 1594, 2091, 2391, 2788, 3188, 4182, 4782, 6273, 7173, 8364, 9564, 12546, 13549, 14346, 25092, 27098, 28692, 32677, 40647, 54196, 65354, 81294, 98031, 121941, 130708, 162588, 196062, 243882, 294093, 392124, 487764, 555509, 588186, 1111018, 1176372, 1666527, 2222036, 3333054, 4999581, 6666108, 9999162, 19998324]

約数ペア:

[(1, 19998324), (2, 9999162), (3, 6666108), (4, 4999581), (6, 3333054), (9, 2222036), (12, 1666527), (17, 1176372), (18, 1111018), (34, 588186), (36, 555509), (41, 487764), (51, 392124), (68, 294093), (82, 243882), (102, 196062), (123, 162588), (153, 130708), (164, 121941), (204, 98031), (246, 81294), (306, 65354), (369, 54196), (492, 40647), (612, 32677), (697, 28692), (738, 27098), (797, 25092), (1394, 14346), (1476, 13549), (1594, 12546), (2091, 9564), (2391, 8364), (2788, 7173), (3188, 6273), (4182, 4782)]