18772880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4789}}^1$

素因数の和:4816

約数の個数: 60

約数和(自身を含む): 50783580

約数和(自身を除く): 32010700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4789, 9578, 19156, 23945, 33523, 38312, 47890, 67046, 76624, 95780, 134092, 167615, 191560, 234661, 268184, 335230, 383120, 469322, 536368, 670460, 938644, 1173305, 1340920, 1877288, 2346610, 2681840, 3754576, 4693220, 9386440, 18772880]

約数ペア:

[(1, 18772880), (2, 9386440), (4, 4693220), (5, 3754576), (7, 2681840), (8, 2346610), (10, 1877288), (14, 1340920), (16, 1173305), (20, 938644), (28, 670460), (35, 536368), (40, 469322), (49, 383120), (56, 335230), (70, 268184), (80, 234661), (98, 191560), (112, 167615), (140, 134092), (196, 95780), (245, 76624), (280, 67046), (392, 47890), (490, 38312), (560, 33523), (784, 23945), (980, 19156), (1960, 9578), (3920, 4789)]