18806814

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 25419186

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 179, 234, 358, 449, 537, 898, 1074, 1347, 1611, 2327, 2694, 3222, 4041, 4654, 5837, 6981, 8082, 11674, 13962, 17511, 20943, 35022, 41886, 52533, 80371, 105066, 160742, 241113, 482226, 723339, 1044823, 1446678, 2089646, 3134469, 6268938, 9403407, 18806814]

約数ペア:

[(1, 18806814), (2, 9403407), (3, 6268938), (6, 3134469), (9, 2089646), (13, 1446678), (18, 1044823), (26, 723339), (39, 482226), (78, 241113), (117, 160742), (179, 105066), (234, 80371), (358, 52533), (449, 41886), (537, 35022), (898, 20943), (1074, 17511), (1347, 13962), (1611, 11674), (2327, 8082), (2694, 6981), (3222, 5837), (4041, 4654)]