18481980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 57915648

約数和(自身を除く): 39433668

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 82, 110, 123, 132, 164, 165, 205, 220, 246, 330, 410, 451, 492, 615, 660, 683, 820, 902, 1230, 1353, 1366, 1804, 2049, 2255, 2460, 2706, 2732, 3415, 4098, 4510, 5412, 6765, 6830, 7513, 8196, 9020, 10245, 13530, 13660, 15026, 20490, 22539, 27060, 28003, 30052, 37565, 40980, 45078, 56006, 75130, 84009, 90156, 112012, 112695, 140015, 150260, 168018, 225390, 280030, 308033, 336036, 420045, 450780, 560060, 616066, 840090, 924099, 1232132, 1540165, 1680180, 1848198, 3080330, 3696396, 4620495, 6160660, 9240990, 18481980]

約数ペア:

[(1, 18481980), (2, 9240990), (3, 6160660), (4, 4620495), (5, 3696396), (6, 3080330), (10, 1848198), (11, 1680180), (12, 1540165), (15, 1232132), (20, 924099), (22, 840090), (30, 616066), (33, 560060), (41, 450780), (44, 420045), (55, 336036), (60, 308033), (66, 280030), (82, 225390), (110, 168018), (123, 150260), (132, 140015), (164, 112695), (165, 112012), (205, 90156), (220, 84009), (246, 75130), (330, 56006), (410, 45078), (451, 40980), (492, 37565), (615, 30052), (660, 28003), (683, 27060), (820, 22539), (902, 20490), (1230, 15026), (1353, 13660), (1366, 13530), (1804, 10245), (2049, 9020), (2255, 8196), (2460, 7513), (2706, 6830), (2732, 6765), (3415, 5412), (4098, 4510)]