18387520

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1607

約数の個数: 56

約数和(自身を含む): 44997624

約数和(自身を除く): 26610104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 1553, 2368, 2960, 3106, 5920, 6212, 7765, 11840, 12424, 15530, 24848, 31060, 49696, 57461, 62120, 99392, 114922, 124240, 229844, 248480, 287305, 459688, 496960, 574610, 919376, 1149220, 1838752, 2298440, 3677504, 4596880, 9193760, 18387520]

約数ペア:

[(1, 18387520), (2, 9193760), (4, 4596880), (5, 3677504), (8, 2298440), (10, 1838752), (16, 1149220), (20, 919376), (32, 574610), (37, 496960), (40, 459688), (64, 287305), (74, 248480), (80, 229844), (148, 124240), (160, 114922), (185, 99392), (296, 62120), (320, 57461), (370, 49696), (592, 31060), (740, 24848), (1184, 15530), (1480, 12424), (1553, 11840), (2368, 7765), (2960, 6212), (3106, 5920)]