19298510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 44043264

約数和(自身を除く): 24744754

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 353, 355, 385, 497, 706, 710, 770, 781, 994, 1562, 1765, 2471, 2485, 3530, 3883, 3905, 4942, 4970, 5467, 7766, 7810, 10934, 12355, 19415, 24710, 25063, 27181, 27335, 38830, 50126, 54362, 54670, 125315, 135905, 175441, 250630, 271810, 275693, 350882, 551386, 877205, 1378465, 1754410, 1929851, 2756930, 3859702, 9649255, 19298510]

約数ペア:

[(1, 19298510), (2, 9649255), (5, 3859702), (7, 2756930), (10, 1929851), (11, 1754410), (14, 1378465), (22, 877205), (35, 551386), (55, 350882), (70, 275693), (71, 271810), (77, 250630), (110, 175441), (142, 135905), (154, 125315), (353, 54670), (355, 54362), (385, 50126), (497, 38830), (706, 27335), (710, 27181), (770, 25063), (781, 24710), (994, 19415), (1562, 12355), (1765, 10934), (2471, 7810), (2485, 7766), (3530, 5467), (3883, 4970), (3905, 4942)]