18842056515

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:674

約数の個数: 128

約数和(自身を含む): 35873971200

約数和(自身を除く): 17031914685

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 101, 135, 171, 257, 283, 285, 303, 505, 513, 771, 849, 855, 909, 1285, 1415, 1515, 1919, 2313, 2547, 2565, 2727, 3855, 4245, 4545, 4883, 5377, 5757, 6939, 7641, 9595, 11565, 12735, 13635, 14649, 16131, 17271, 24415, 25957, 26885, 28583, 28785, 34695, 38205, 43947, 48393, 51813, 72731, 73245, 77871, 80655, 85749, 86355, 129785, 131841, 142915, 145179, 218193, 219735, 233613, 241965, 257247, 259065, 363655, 389355, 428745, 493183, 543077, 654579, 659205, 700839, 725895, 771741, 1090965, 1168065, 1286235, 1381889, 1479549, 1629231, 1963737, 2465915, 2715385, 3272895, 3504195, 3858705, 4145667, 4438647, 4887693, 6909445, 7345831, 7397745, 8146155, 9818685, 12437001, 13315941, 14663079, 20728335, 22037493, 22193235, 24438465, 36729155, 37311003, 62185005, 66112479, 66579705, 73315395, 110187465, 139570789, 186555015, 198337437, 330562395, 418712367, 697853945, 991687185, 1256137101, 2093561835, 3768411303, 6280685505, 18842056515]

約数ペア:

[(1, 18842056515), (3, 6280685505), (5, 3768411303), (9, 2093561835), (15, 1256137101), (19, 991687185), (27, 697853945), (45, 418712367), (57, 330562395), (95, 198337437), (101, 186555015), (135, 139570789), (171, 110187465), (257, 73315395), (283, 66579705), (285, 66112479), (303, 62185005), (505, 37311003), (513, 36729155), (771, 24438465), (849, 22193235), (855, 22037493), (909, 20728335), (1285, 14663079), (1415, 13315941), (1515, 12437001), (1919, 9818685), (2313, 8146155), (2547, 7397745), (2565, 7345831), (2727, 6909445), (3855, 4887693), (4245, 4438647), (4545, 4145667), (4883, 3858705), (5377, 3504195), (5757, 3272895), (6939, 2715385), (7641, 2465915), (9595, 1963737), (11565, 1629231), (12735, 1479549), (13635, 1381889), (14649, 1286235), (16131, 1168065), (17271, 1090965), (24415, 771741), (25957, 725895), (26885, 700839), (28583, 659205), (28785, 654579), (34695, 543077), (38205, 493183), (43947, 428745), (48393, 389355), (51813, 363655), (72731, 259065), (73245, 257247), (77871, 241965), (80655, 233613), (85749, 219735), (86355, 218193), (129785, 145179), (131841, 142915)]