19260920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:373

約数の個数: 96

約数和(自身を含む): 52202880

約数和(自身を除く): 32941960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 317, 392, 434, 490, 620, 634, 868, 980, 1085, 1240, 1268, 1519, 1585, 1736, 1960, 2170, 2219, 2536, 3038, 3170, 4340, 4438, 6076, 6340, 7595, 8680, 8876, 9827, 11095, 12152, 12680, 15190, 15533, 17752, 19654, 22190, 30380, 31066, 39308, 44380, 49135, 60760, 62132, 68789, 77665, 78616, 88760, 98270, 124264, 137578, 155330, 196540, 275156, 310660, 343945, 393080, 481523, 550312, 621320, 687890, 963046, 1375780, 1926092, 2407615, 2751560, 3852184, 4815230, 9630460, 19260920]

約数ペア:

[(1, 19260920), (2, 9630460), (4, 4815230), (5, 3852184), (7, 2751560), (8, 2407615), (10, 1926092), (14, 1375780), (20, 963046), (28, 687890), (31, 621320), (35, 550312), (40, 481523), (49, 393080), (56, 343945), (62, 310660), (70, 275156), (98, 196540), (124, 155330), (140, 137578), (155, 124264), (196, 98270), (217, 88760), (245, 78616), (248, 77665), (280, 68789), (310, 62132), (317, 60760), (392, 49135), (434, 44380), (490, 39308), (620, 31066), (634, 30380), (868, 22190), (980, 19654), (1085, 17752), (1240, 15533), (1268, 15190), (1519, 12680), (1585, 12152), (1736, 11095), (1960, 9827), (2170, 8876), (2219, 8680), (2536, 7595), (3038, 6340), (3170, 6076), (4340, 4438)]