18521460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 60418176

約数和(自身を除く): 41896716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 103, 108, 111, 135, 148, 162, 180, 185, 206, 222, 243, 270, 309, 324, 333, 370, 405, 412, 444, 486, 515, 540, 555, 618, 666, 740, 810, 927, 972, 999, 1030, 1110, 1215, 1236, 1332, 1545, 1620, 1665, 1854, 1998, 2060, 2220, 2430, 2781, 2997, 3090, 3330, 3708, 3811, 3996, 4635, 4860, 4995, 5562, 5994, 6180, 6660, 7622, 8343, 8991, 9270, 9990, 11124, 11433, 11988, 13905, 14985, 15244, 16686, 17982, 18540, 19055, 19980, 22866, 25029, 27810, 29970, 33372, 34299, 35964, 38110, 41715, 44955, 45732, 50058, 55620, 57165, 59940, 68598, 76220, 83430, 89910, 100116, 102897, 114330, 125145, 137196, 166860, 171495, 179820, 205794, 228660, 250290, 308691, 342990, 411588, 500580, 514485, 617382, 685980, 926073, 1028970, 1234764, 1543455, 1852146, 2057940, 3086910, 3704292, 4630365, 6173820, 9260730, 18521460]

約数ペア:

[(1, 18521460), (2, 9260730), (3, 6173820), (4, 4630365), (5, 3704292), (6, 3086910), (9, 2057940), (10, 1852146), (12, 1543455), (15, 1234764), (18, 1028970), (20, 926073), (27, 685980), (30, 617382), (36, 514485), (37, 500580), (45, 411588), (54, 342990), (60, 308691), (74, 250290), (81, 228660), (90, 205794), (103, 179820), (108, 171495), (111, 166860), (135, 137196), (148, 125145), (162, 114330), (180, 102897), (185, 100116), (206, 89910), (222, 83430), (243, 76220), (270, 68598), (309, 59940), (324, 57165), (333, 55620), (370, 50058), (405, 45732), (412, 44955), (444, 41715), (486, 38110), (515, 35964), (540, 34299), (555, 33372), (618, 29970), (666, 27810), (740, 25029), (810, 22866), (927, 19980), (972, 19055), (999, 18540), (1030, 17982), (1110, 16686), (1215, 15244), (1236, 14985), (1332, 13905), (1545, 11988), (1620, 11433), (1665, 11124), (1854, 9990), (1998, 9270), (2060, 8991), (2220, 8343), (2430, 7622), (2781, 6660), (2997, 6180), (3090, 5994), (3330, 5562), (3708, 4995), (3811, 4860), (3996, 4635)]