19912314532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{31517}}^1$

素因数の和:31788

約数の個数: 48

約数和(自身を含む): 38696035392

約数和(自身を除く): 18783720860

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 173, 332, 346, 692, 913, 1826, 1903, 3652, 3806, 7612, 14359, 28718, 31517, 57436, 63034, 126068, 157949, 315898, 346687, 631796, 693374, 1386748, 2615911, 5231822, 5452441, 10463644, 10904882, 21809764, 28775021, 57550042, 59976851, 115100084, 119953702, 239907404, 452552603, 905105206, 1810210412, 4978078633, 9956157266, 19912314532]

約数ペア:

[(1, 19912314532), (2, 9956157266), (4, 4978078633), (11, 1810210412), (22, 905105206), (44, 452552603), (83, 239907404), (166, 119953702), (173, 115100084), (332, 59976851), (346, 57550042), (692, 28775021), (913, 21809764), (1826, 10904882), (1903, 10463644), (3652, 5452441), (3806, 5231822), (7612, 2615911), (14359, 1386748), (28718, 693374), (31517, 631796), (57436, 346687), (63034, 315898), (126068, 157949)]