18945108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5783}}^1$

素因数の和:5813

約数の個数: 72

約数和(自身を含む): 58950528

約数和(自身を除く): 40005420

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 5783, 11566, 17349, 23132, 34698, 40481, 52047, 69396, 75179, 80962, 104094, 121443, 150358, 161924, 208188, 225537, 242886, 300716, 364329, 451074, 485772, 526253, 676611, 728658, 902148, 1052506, 1353222, 1457316, 1578759, 2105012, 2706444, 3157518, 4736277, 6315036, 9472554, 18945108]

約数ペア:

[(1, 18945108), (2, 9472554), (3, 6315036), (4, 4736277), (6, 3157518), (7, 2706444), (9, 2105012), (12, 1578759), (13, 1457316), (14, 1353222), (18, 1052506), (21, 902148), (26, 728658), (28, 676611), (36, 526253), (39, 485772), (42, 451074), (52, 364329), (63, 300716), (78, 242886), (84, 225537), (91, 208188), (117, 161924), (126, 150358), (156, 121443), (182, 104094), (234, 80962), (252, 75179), (273, 69396), (364, 52047), (468, 40481), (546, 34698), (819, 23132), (1092, 17349), (1638, 11566), (3276, 5783)]