17928664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 38384640

約数和(自身を除く): 20455976

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 67, 83, 104, 124, 134, 166, 248, 268, 332, 403, 536, 664, 806, 871, 1079, 1612, 1742, 2077, 2158, 2573, 3224, 3484, 4154, 4316, 5146, 5561, 6968, 8308, 8632, 10292, 11122, 16616, 20584, 22244, 27001, 33449, 44488, 54002, 66898, 72293, 108004, 133796, 144586, 172391, 216008, 267592, 289172, 344782, 578344, 689564, 1379128, 2241083, 4482166, 8964332, 17928664]

約数ペア:

[(1, 17928664), (2, 8964332), (4, 4482166), (8, 2241083), (13, 1379128), (26, 689564), (31, 578344), (52, 344782), (62, 289172), (67, 267592), (83, 216008), (104, 172391), (124, 144586), (134, 133796), (166, 108004), (248, 72293), (268, 66898), (332, 54002), (403, 44488), (536, 33449), (664, 27001), (806, 22244), (871, 20584), (1079, 16616), (1612, 11122), (1742, 10292), (2077, 8632), (2158, 8308), (2573, 6968), (3224, 5561), (3484, 5146), (4154, 4316)]