19802064

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{6763}}^1$

素因数の和:6835

約数の個数: 40

約数和(自身を含む): 52001632

約数和(自身を除く): 32199568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 6763, 13526, 20289, 27052, 40578, 54104, 81156, 108208, 162312, 324624, 412543, 825086, 1237629, 1650172, 2475258, 3300344, 4950516, 6600688, 9901032, 19802064]

約数ペア:

[(1, 19802064), (2, 9901032), (3, 6600688), (4, 4950516), (6, 3300344), (8, 2475258), (12, 1650172), (16, 1237629), (24, 825086), (48, 412543), (61, 324624), (122, 162312), (183, 108208), (244, 81156), (366, 54104), (488, 40578), (732, 27052), (976, 20289), (1464, 13526), (2928, 6763)]