18954408915

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1753}}^1$

素因数の和:1942

約数の個数: 128

約数和(自身を含む): 37270114560

約数和(自身を除く): 18315705645

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 101, 117, 135, 183, 195, 303, 305, 351, 505, 549, 585, 793, 909, 915, 1313, 1515, 1647, 1753, 1755, 2379, 2727, 2745, 3939, 3965, 4545, 5259, 6161, 6565, 7137, 8235, 8765, 11817, 11895, 13635, 15777, 18483, 19695, 21411, 22789, 26295, 30805, 35451, 35685, 47331, 55449, 59085, 68367, 78885, 80093, 92415, 106933, 107055, 113945, 166347, 177053, 177255, 205101, 236655, 240279, 277245, 320799, 341835, 400465, 531159, 534665, 615303, 720837, 831735, 885265, 962397, 1025505, 1201395, 1390129, 1593477, 1603995, 2162511, 2301689, 2655795, 2887191, 3076515, 3604185, 4170387, 4780431, 4811985, 6905067, 6950645, 7967385, 10800233, 10812555, 11508445, 12511161, 14435955, 20715201, 20851935, 23902155, 32400699, 34525335, 37533483, 54001165, 62145603, 62555805, 97202097, 103576005, 140403029, 162003495, 187667415, 291606291, 310728015, 421209087, 486010485, 702015145, 1263627261, 1458031455, 2106045435, 3790881783, 6318136305, 18954408915]

約数ペア:

[(1, 18954408915), (3, 6318136305), (5, 3790881783), (9, 2106045435), (13, 1458031455), (15, 1263627261), (27, 702015145), (39, 486010485), (45, 421209087), (61, 310728015), (65, 291606291), (101, 187667415), (117, 162003495), (135, 140403029), (183, 103576005), (195, 97202097), (303, 62555805), (305, 62145603), (351, 54001165), (505, 37533483), (549, 34525335), (585, 32400699), (793, 23902155), (909, 20851935), (915, 20715201), (1313, 14435955), (1515, 12511161), (1647, 11508445), (1753, 10812555), (1755, 10800233), (2379, 7967385), (2727, 6950645), (2745, 6905067), (3939, 4811985), (3965, 4780431), (4545, 4170387), (5259, 3604185), (6161, 3076515), (6565, 2887191), (7137, 2655795), (8235, 2301689), (8765, 2162511), (11817, 1603995), (11895, 1593477), (13635, 1390129), (15777, 1201395), (18483, 1025505), (19695, 962397), (21411, 885265), (22789, 831735), (26295, 720837), (30805, 615303), (35451, 534665), (35685, 531159), (47331, 400465), (55449, 341835), (59085, 320799), (68367, 277245), (78885, 240279), (80093, 236655), (92415, 205101), (106933, 177255), (107055, 177053), (113945, 166347)]