18872016

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{20693}}^1$

素因数の和:20723

約数の個数: 40

約数和(自身を含む): 51321120

約数和(自身を除く): 32449104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 20693, 41386, 62079, 82772, 124158, 165544, 248316, 331088, 393167, 496632, 786334, 993264, 1179501, 1572668, 2359002, 3145336, 4718004, 6290672, 9436008, 18872016]

約数ペア:

[(1, 18872016), (2, 9436008), (3, 6290672), (4, 4718004), (6, 3145336), (8, 2359002), (12, 1572668), (16, 1179501), (19, 993264), (24, 786334), (38, 496632), (48, 393167), (57, 331088), (76, 248316), (114, 165544), (152, 124158), (228, 82772), (304, 62079), (456, 41386), (912, 20693)]