18625860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 64471680

約数和(自身を除く): 45845820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 409, 414, 460, 495, 506, 660, 690, 759, 818, 828, 990, 1012, 1035, 1227, 1265, 1380, 1518, 1636, 1980, 2045, 2070, 2277, 2454, 2530, 3036, 3681, 3795, 4090, 4140, 4499, 4554, 4908, 5060, 6135, 7362, 7590, 8180, 8998, 9108, 9407, 11385, 12270, 13497, 14724, 15180, 17996, 18405, 18814, 22495, 22770, 24540, 26994, 28221, 36810, 37628, 40491, 44990, 45540, 47035, 53988, 56442, 67485, 73620, 80982, 84663, 89980, 94070, 103477, 112884, 134970, 141105, 161964, 169326, 188140, 202455, 206954, 269940, 282210, 310431, 338652, 404910, 413908, 423315, 517385, 564420, 620862, 809820, 846630, 931293, 1034770, 1241724, 1552155, 1693260, 1862586, 2069540, 3104310, 3725172, 4656465, 6208620, 9312930, 18625860]

約数ペア:

[(1, 18625860), (2, 9312930), (3, 6208620), (4, 4656465), (5, 3725172), (6, 3104310), (9, 2069540), (10, 1862586), (11, 1693260), (12, 1552155), (15, 1241724), (18, 1034770), (20, 931293), (22, 846630), (23, 809820), (30, 620862), (33, 564420), (36, 517385), (44, 423315), (45, 413908), (46, 404910), (55, 338652), (60, 310431), (66, 282210), (69, 269940), (90, 206954), (92, 202455), (99, 188140), (110, 169326), (115, 161964), (132, 141105), (138, 134970), (165, 112884), (180, 103477), (198, 94070), (207, 89980), (220, 84663), (230, 80982), (253, 73620), (276, 67485), (330, 56442), (345, 53988), (396, 47035), (409, 45540), (414, 44990), (460, 40491), (495, 37628), (506, 36810), (660, 28221), (690, 26994), (759, 24540), (818, 22770), (828, 22495), (990, 18814), (1012, 18405), (1035, 17996), (1227, 15180), (1265, 14724), (1380, 13497), (1518, 12270), (1636, 11385), (1980, 9407), (2045, 9108), (2070, 8998), (2277, 8180), (2454, 7590), (2530, 7362), (3036, 6135), (3681, 5060), (3795, 4908), (4090, 4554), (4140, 4499)]