19964358

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 26738298

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 153, 159, 306, 318, 477, 901, 954, 1231, 1802, 2462, 2703, 3693, 5406, 7386, 8109, 11079, 16218, 20927, 22158, 41854, 62781, 65243, 125562, 130486, 188343, 195729, 376686, 391458, 587187, 1109131, 1174374, 2218262, 3327393, 6654786, 9982179, 19964358]

約数ペア:

[(1, 19964358), (2, 9982179), (3, 6654786), (6, 3327393), (9, 2218262), (17, 1174374), (18, 1109131), (34, 587187), (51, 391458), (53, 376686), (102, 195729), (106, 188343), (153, 130486), (159, 125562), (306, 65243), (318, 62781), (477, 41854), (901, 22158), (954, 20927), (1231, 16218), (1802, 11079), (2462, 8109), (2703, 7386), (3693, 5406)]