19668942

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 44553600

約数和(自身を除く): 24884658

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 101, 186, 202, 279, 303, 349, 558, 606, 698, 909, 1047, 1818, 2094, 3131, 3141, 6262, 6282, 9393, 10819, 18786, 21638, 28179, 32457, 35249, 56358, 64914, 70498, 97371, 105747, 194742, 211494, 317241, 634482, 1092719, 2185438, 3278157, 6556314, 9834471, 19668942]

約数ペア:

[(1, 19668942), (2, 9834471), (3, 6556314), (6, 3278157), (9, 2185438), (18, 1092719), (31, 634482), (62, 317241), (93, 211494), (101, 194742), (186, 105747), (202, 97371), (279, 70498), (303, 64914), (349, 56358), (558, 35249), (606, 32457), (698, 28179), (909, 21638), (1047, 18786), (1818, 10819), (2094, 9393), (3131, 6282), (3141, 6262)]