19961448

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 54250560

約数和(自身を除く): 34289112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 137, 156, 274, 312, 411, 467, 548, 822, 934, 1096, 1401, 1644, 1781, 1868, 2802, 3288, 3562, 3736, 5343, 5604, 6071, 7124, 10686, 11208, 12142, 14248, 18213, 21372, 24284, 36426, 42744, 48568, 63979, 72852, 127958, 145704, 191937, 255916, 383874, 511832, 767748, 831727, 1535496, 1663454, 2495181, 3326908, 4990362, 6653816, 9980724, 19961448]

約数ペア:

[(1, 19961448), (2, 9980724), (3, 6653816), (4, 4990362), (6, 3326908), (8, 2495181), (12, 1663454), (13, 1535496), (24, 831727), (26, 767748), (39, 511832), (52, 383874), (78, 255916), (104, 191937), (137, 145704), (156, 127958), (274, 72852), (312, 63979), (411, 48568), (467, 42744), (548, 36426), (822, 24284), (934, 21372), (1096, 18213), (1401, 14248), (1644, 12142), (1781, 11208), (1868, 10686), (2802, 7124), (3288, 6071), (3562, 5604), (3736, 5343)]