2019045028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 144

約数和(自身を含む): 4840335360

約数和(自身を除く): 2821290332

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 79, 91, 143, 154, 158, 169, 182, 286, 308, 316, 338, 364, 491, 553, 572, 676, 869, 982, 1001, 1027, 1106, 1183, 1738, 1859, 1964, 2002, 2054, 2212, 2366, 3437, 3476, 3718, 4004, 4108, 4732, 5401, 6083, 6383, 6874, 7189, 7436, 10802, 11297, 12166, 12766, 13013, 13351, 13748, 14378, 21604, 22594, 24332, 25532, 26026, 26702, 28756, 37807, 38789, 44681, 45188, 52052, 53404, 70213, 75614, 77578, 79079, 82979, 89362, 93457, 140426, 146861, 151228, 155156, 158158, 165958, 178724, 186914, 271523, 280852, 293722, 316316, 331916, 373828, 426679, 491491, 504257, 543046, 580853, 587444, 853358, 912769, 982982, 1008514, 1028027, 1086092, 1161706, 1706716, 1825538, 1965964, 2017028, 2056054, 2323412, 2986753, 3529799, 3651076, 4112108, 5546827, 5973506, 6389383, 6555341, 7059598, 11093654, 11947012, 12778766, 13110682, 14119196, 22187308, 25557532, 26221364, 38827789, 45887387, 72108751, 77655578, 91774774, 144217502, 155311156, 183549548, 288435004, 504761257, 1009522514, 2019045028]

約数ペア:

[(1, 2019045028), (2, 1009522514), (4, 504761257), (7, 288435004), (11, 183549548), (13, 155311156), (14, 144217502), (22, 91774774), (26, 77655578), (28, 72108751), (44, 45887387), (52, 38827789), (77, 26221364), (79, 25557532), (91, 22187308), (143, 14119196), (154, 13110682), (158, 12778766), (169, 11947012), (182, 11093654), (286, 7059598), (308, 6555341), (316, 6389383), (338, 5973506), (364, 5546827), (491, 4112108), (553, 3651076), (572, 3529799), (676, 2986753), (869, 2323412), (982, 2056054), (1001, 2017028), (1027, 1965964), (1106, 1825538), (1183, 1706716), (1738, 1161706), (1859, 1086092), (1964, 1028027), (2002, 1008514), (2054, 982982), (2212, 912769), (2366, 853358), (3437, 587444), (3476, 580853), (3718, 543046), (4004, 504257), (4108, 491491), (4732, 426679), (5401, 373828), (6083, 331916), (6383, 316316), (6874, 293722), (7189, 280852), (7436, 271523), (10802, 186914), (11297, 178724), (12166, 165958), (12766, 158158), (13013, 155156), (13351, 151228), (13748, 146861), (14378, 140426), (21604, 93457), (22594, 89362), (24332, 82979), (25532, 79079), (26026, 77578), (26702, 75614), (28756, 70213), (37807, 53404), (38789, 52052), (44681, 45188)]