19400570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 72

約数和(自身を含む): 43467516

約数和(自身を除く): 24066946

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 137, 170, 238, 245, 274, 289, 490, 578, 595, 685, 833, 959, 1190, 1370, 1445, 1666, 1918, 2023, 2329, 2890, 4046, 4165, 4658, 4795, 6713, 8330, 9590, 10115, 11645, 13426, 14161, 16303, 20230, 23290, 28322, 32606, 33565, 39593, 67130, 70805, 79186, 81515, 114121, 141610, 163030, 197965, 228242, 277151, 395930, 554302, 570605, 1141210, 1385755, 1940057, 2771510, 3880114, 9700285, 19400570]

約数ペア:

[(1, 19400570), (2, 9700285), (5, 3880114), (7, 2771510), (10, 1940057), (14, 1385755), (17, 1141210), (34, 570605), (35, 554302), (49, 395930), (70, 277151), (85, 228242), (98, 197965), (119, 163030), (137, 141610), (170, 114121), (238, 81515), (245, 79186), (274, 70805), (289, 67130), (490, 39593), (578, 33565), (595, 32606), (685, 28322), (833, 23290), (959, 20230), (1190, 16303), (1370, 14161), (1445, 13426), (1666, 11645), (1918, 10115), (2023, 9590), (2329, 8330), (2890, 6713), (4046, 4795), (4165, 4658)]