18439616

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:661

約数の個数: 56

約数和(自身を含む): 40538400

約数和(自身を除く): 22098784

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 599, 832, 962, 1184, 1198, 1924, 2368, 2396, 3848, 4792, 7696, 7787, 9584, 15392, 15574, 19168, 22163, 30784, 31148, 38336, 44326, 62296, 88652, 124592, 177304, 249184, 288119, 354608, 498368, 576238, 709216, 1152476, 1418432, 2304952, 4609904, 9219808, 18439616]

約数ペア:

[(1, 18439616), (2, 9219808), (4, 4609904), (8, 2304952), (13, 1418432), (16, 1152476), (26, 709216), (32, 576238), (37, 498368), (52, 354608), (64, 288119), (74, 249184), (104, 177304), (148, 124592), (208, 88652), (296, 62296), (416, 44326), (481, 38336), (592, 31148), (599, 30784), (832, 22163), (962, 19168), (1184, 15574), (1198, 15392), (1924, 9584), (2368, 7787), (2396, 7696), (3848, 4792)]