19481210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 22509190

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 59, 70, 89, 106, 118, 178, 265, 295, 371, 413, 445, 530, 590, 623, 742, 826, 890, 1246, 1855, 2065, 3115, 3127, 3710, 4130, 4717, 5251, 6230, 6254, 9434, 10502, 15635, 21889, 23585, 26255, 31270, 33019, 36757, 43778, 47170, 52510, 66038, 73514, 109445, 165095, 183785, 218890, 278303, 330190, 367570, 556606, 1391515, 1948121, 2783030, 3896242, 9740605, 19481210]

約数ペア:

[(1, 19481210), (2, 9740605), (5, 3896242), (7, 2783030), (10, 1948121), (14, 1391515), (35, 556606), (53, 367570), (59, 330190), (70, 278303), (89, 218890), (106, 183785), (118, 165095), (178, 109445), (265, 73514), (295, 66038), (371, 52510), (413, 47170), (445, 43778), (530, 36757), (590, 33019), (623, 31270), (742, 26255), (826, 23585), (890, 21889), (1246, 15635), (1855, 10502), (2065, 9434), (3115, 6254), (3127, 6230), (3710, 5251), (4130, 4717)]