18964088

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 42426720

約数和(自身を除く): 23462632

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 137, 143, 242, 274, 286, 484, 548, 572, 968, 1096, 1144, 1331, 1507, 1573, 1781, 2662, 3014, 3146, 3562, 5324, 6028, 6292, 7124, 10648, 12056, 12584, 14248, 16577, 17303, 19591, 33154, 34606, 39182, 66308, 69212, 78364, 132616, 138424, 156728, 182347, 215501, 364694, 431002, 729388, 862004, 1458776, 1724008, 2370511, 4741022, 9482044, 18964088]

約数ペア:

[(1, 18964088), (2, 9482044), (4, 4741022), (8, 2370511), (11, 1724008), (13, 1458776), (22, 862004), (26, 729388), (44, 431002), (52, 364694), (88, 215501), (104, 182347), (121, 156728), (137, 138424), (143, 132616), (242, 78364), (274, 69212), (286, 66308), (484, 39182), (548, 34606), (572, 33154), (968, 19591), (1096, 17303), (1144, 16577), (1331, 14248), (1507, 12584), (1573, 12056), (1781, 10648), (2662, 7124), (3014, 6292), (3146, 6028), (3562, 5324)]