18463140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 60540480

約数和(自身を除く): 42077340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 131, 135, 145, 162, 174, 180, 243, 261, 262, 270, 290, 324, 348, 393, 405, 435, 486, 522, 524, 540, 580, 655, 783, 786, 810, 870, 972, 1044, 1179, 1215, 1305, 1310, 1566, 1572, 1620, 1740, 1965, 2349, 2358, 2430, 2610, 2620, 3132, 3537, 3799, 3915, 3930, 4698, 4716, 4860, 5220, 5895, 7047, 7074, 7598, 7830, 7860, 9396, 10611, 11397, 11745, 11790, 14094, 14148, 15196, 15660, 17685, 18995, 21222, 22794, 23490, 23580, 28188, 31833, 34191, 35235, 35370, 37990, 42444, 45588, 46980, 53055, 56985, 63666, 68382, 70470, 70740, 75980, 102573, 106110, 113970, 127332, 136764, 140940, 159165, 170955, 205146, 212220, 227940, 307719, 318330, 341910, 410292, 512865, 615438, 636660, 683820, 923157, 1025730, 1230876, 1538595, 1846314, 2051460, 3077190, 3692628, 4615785, 6154380, 9231570, 18463140]

約数ペア:

[(1, 18463140), (2, 9231570), (3, 6154380), (4, 4615785), (5, 3692628), (6, 3077190), (9, 2051460), (10, 1846314), (12, 1538595), (15, 1230876), (18, 1025730), (20, 923157), (27, 683820), (29, 636660), (30, 615438), (36, 512865), (45, 410292), (54, 341910), (58, 318330), (60, 307719), (81, 227940), (87, 212220), (90, 205146), (108, 170955), (116, 159165), (131, 140940), (135, 136764), (145, 127332), (162, 113970), (174, 106110), (180, 102573), (243, 75980), (261, 70740), (262, 70470), (270, 68382), (290, 63666), (324, 56985), (348, 53055), (393, 46980), (405, 45588), (435, 42444), (486, 37990), (522, 35370), (524, 35235), (540, 34191), (580, 31833), (655, 28188), (783, 23580), (786, 23490), (810, 22794), (870, 21222), (972, 18995), (1044, 17685), (1179, 15660), (1215, 15196), (1305, 14148), (1310, 14094), (1566, 11790), (1572, 11745), (1620, 11397), (1740, 10611), (1965, 9396), (2349, 7860), (2358, 7830), (2430, 7598), (2610, 7074), (2620, 7047), (3132, 5895), (3537, 5220), (3799, 4860), (3915, 4716), (3930, 4698)]