18451264

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 56

約数和(自身を含む): 40140128

約数和(自身を除く): 21688864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 331, 416, 536, 662, 832, 871, 1072, 1324, 1742, 2144, 2648, 3484, 4288, 4303, 5296, 6968, 8606, 10592, 13936, 17212, 21184, 22177, 27872, 34424, 44354, 55744, 68848, 88708, 137696, 177416, 275392, 288301, 354832, 576602, 709664, 1153204, 1419328, 2306408, 4612816, 9225632, 18451264]

約数ペア:

[(1, 18451264), (2, 9225632), (4, 4612816), (8, 2306408), (13, 1419328), (16, 1153204), (26, 709664), (32, 576602), (52, 354832), (64, 288301), (67, 275392), (104, 177416), (134, 137696), (208, 88708), (268, 68848), (331, 55744), (416, 44354), (536, 34424), (662, 27872), (832, 22177), (871, 21184), (1072, 17212), (1324, 13936), (1742, 10592), (2144, 8606), (2648, 6968), (3484, 5296), (4288, 4303)]