18442996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 39936960

約数和(自身を除く): 21493964

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1697, 2717, 3394, 5434, 6788, 10868, 18667, 22061, 32243, 37334, 44122, 64486, 74668, 88244, 128972, 242671, 354673, 419159, 485342, 709346, 838318, 970684, 1418692, 1676636, 4610749, 9221498, 18442996]

約数ペア:

[(1, 18442996), (2, 9221498), (4, 4610749), (11, 1676636), (13, 1418692), (19, 970684), (22, 838318), (26, 709346), (38, 485342), (44, 419159), (52, 354673), (76, 242671), (143, 128972), (209, 88244), (247, 74668), (286, 64486), (418, 44122), (494, 37334), (572, 32243), (836, 22061), (988, 18667), (1697, 10868), (2717, 6788), (3394, 5434)]