19742520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1277

約数の個数: 128

約数和(自身を含む): 71308800

約数和(自身を除く): 51566280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1237, 1330, 1596, 1995, 2280, 2474, 2660, 3192, 3711, 3990, 4948, 5320, 6185, 7422, 7980, 8659, 9896, 12370, 14844, 15960, 17318, 18555, 23503, 24740, 25977, 29688, 34636, 37110, 43295, 47006, 49480, 51954, 69272, 70509, 74220, 86590, 94012, 103908, 117515, 129885, 141018, 148440, 164521, 173180, 188024, 207816, 235030, 259770, 282036, 329042, 346360, 352545, 470060, 493563, 519540, 564072, 658084, 705090, 822605, 940120, 987126, 1039080, 1316168, 1410180, 1645210, 1974252, 2467815, 2820360, 3290420, 3948504, 4935630, 6580840, 9871260, 19742520]

約数ペア:

[(1, 19742520), (2, 9871260), (3, 6580840), (4, 4935630), (5, 3948504), (6, 3290420), (7, 2820360), (8, 2467815), (10, 1974252), (12, 1645210), (14, 1410180), (15, 1316168), (19, 1039080), (20, 987126), (21, 940120), (24, 822605), (28, 705090), (30, 658084), (35, 564072), (38, 519540), (40, 493563), (42, 470060), (56, 352545), (57, 346360), (60, 329042), (70, 282036), (76, 259770), (84, 235030), (95, 207816), (105, 188024), (114, 173180), (120, 164521), (133, 148440), (140, 141018), (152, 129885), (168, 117515), (190, 103908), (210, 94012), (228, 86590), (266, 74220), (280, 70509), (285, 69272), (380, 51954), (399, 49480), (420, 47006), (456, 43295), (532, 37110), (570, 34636), (665, 29688), (760, 25977), (798, 24740), (840, 23503), (1064, 18555), (1140, 17318), (1237, 15960), (1330, 14844), (1596, 12370), (1995, 9896), (2280, 8659), (2474, 7980), (2660, 7422), (3192, 6185), (3711, 5320), (3990, 4948)]