19500536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 23267464

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 107, 109, 152, 209, 214, 218, 418, 428, 436, 836, 856, 872, 1177, 1199, 1672, 2033, 2071, 2354, 2398, 4066, 4142, 4708, 4796, 8132, 8284, 9416, 9592, 11663, 16264, 16568, 22363, 22781, 23326, 44726, 45562, 46652, 89452, 91124, 93304, 128293, 178904, 182248, 221597, 256586, 443194, 513172, 886388, 1026344, 1772776, 2437567, 4875134, 9750268, 19500536]

約数ペア:

[(1, 19500536), (2, 9750268), (4, 4875134), (8, 2437567), (11, 1772776), (19, 1026344), (22, 886388), (38, 513172), (44, 443194), (76, 256586), (88, 221597), (107, 182248), (109, 178904), (152, 128293), (209, 93304), (214, 91124), (218, 89452), (418, 46652), (428, 45562), (436, 44726), (836, 23326), (856, 22781), (872, 22363), (1177, 16568), (1199, 16264), (1672, 11663), (2033, 9592), (2071, 9416), (2354, 8284), (2398, 8132), (4066, 4796), (4142, 4708)]