19460520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:544

約数の個数: 128

約数和(自身を含む): 66758400

約数和(自身を除く): 47297880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 487, 540, 555, 666, 740, 888, 974, 999, 1080, 1110, 1332, 1461, 1480, 1665, 1948, 1998, 2220, 2435, 2664, 2922, 3330, 3896, 3996, 4383, 4440, 4870, 4995, 5844, 6660, 7305, 7992, 8766, 9740, 9990, 11688, 13149, 13320, 14610, 17532, 18019, 19480, 19980, 21915, 26298, 29220, 35064, 36038, 39960, 43830, 52596, 54057, 58440, 65745, 72076, 87660, 90095, 105192, 108114, 131490, 144152, 162171, 175320, 180190, 216228, 262980, 270285, 324342, 360380, 432456, 486513, 525960, 540570, 648684, 720760, 810855, 973026, 1081140, 1297368, 1621710, 1946052, 2162280, 2432565, 3243420, 3892104, 4865130, 6486840, 9730260, 19460520]

約数ペア:

[(1, 19460520), (2, 9730260), (3, 6486840), (4, 4865130), (5, 3892104), (6, 3243420), (8, 2432565), (9, 2162280), (10, 1946052), (12, 1621710), (15, 1297368), (18, 1081140), (20, 973026), (24, 810855), (27, 720760), (30, 648684), (36, 540570), (37, 525960), (40, 486513), (45, 432456), (54, 360380), (60, 324342), (72, 270285), (74, 262980), (90, 216228), (108, 180190), (111, 175320), (120, 162171), (135, 144152), (148, 131490), (180, 108114), (185, 105192), (216, 90095), (222, 87660), (270, 72076), (296, 65745), (333, 58440), (360, 54057), (370, 52596), (444, 43830), (487, 39960), (540, 36038), (555, 35064), (666, 29220), (740, 26298), (888, 21915), (974, 19980), (999, 19480), (1080, 18019), (1110, 17532), (1332, 14610), (1461, 13320), (1480, 13149), (1665, 11688), (1948, 9990), (1998, 9740), (2220, 8766), (2435, 7992), (2664, 7305), (2922, 6660), (3330, 5844), (3896, 4995), (3996, 4870), (4383, 4440)]