1921667410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{7703}}^1$

素因数の和:7843

約数の個数: 64

約数和(自身を含む): 3960472320

約数和(自身を除く): 2038804910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 101, 130, 190, 202, 247, 494, 505, 1010, 1235, 1313, 1919, 2470, 2626, 3838, 6565, 7703, 9595, 13130, 15406, 19190, 24947, 38515, 49894, 77030, 100139, 124735, 146357, 200278, 249470, 292714, 500695, 731785, 778003, 1001390, 1463570, 1556006, 1902641, 3805282, 3890015, 7780030, 9513205, 10114039, 14782057, 19026410, 20228078, 29564114, 50570195, 73910285, 101140390, 147820570, 192166741, 384333482, 960833705, 1921667410]

約数ペア:

[(1, 1921667410), (2, 960833705), (5, 384333482), (10, 192166741), (13, 147820570), (19, 101140390), (26, 73910285), (38, 50570195), (65, 29564114), (95, 20228078), (101, 19026410), (130, 14782057), (190, 10114039), (202, 9513205), (247, 7780030), (494, 3890015), (505, 3805282), (1010, 1902641), (1235, 1556006), (1313, 1463570), (1919, 1001390), (2470, 778003), (2626, 731785), (3838, 500695), (6565, 292714), (7703, 249470), (9595, 200278), (13130, 146357), (15406, 124735), (19190, 100139), (24947, 77030), (38515, 49894)]