18318690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 55883520

約数和(自身を除く): 37564830

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 85, 90, 102, 117, 130, 135, 153, 170, 195, 221, 234, 255, 270, 306, 307, 351, 390, 442, 459, 510, 585, 614, 663, 702, 765, 918, 921, 1105, 1170, 1326, 1530, 1535, 1755, 1842, 1989, 2210, 2295, 2763, 3070, 3315, 3510, 3978, 3991, 4590, 4605, 5219, 5526, 5967, 6630, 7982, 8289, 9210, 9945, 10438, 11934, 11973, 13815, 15657, 16578, 19890, 19955, 23946, 26095, 27630, 29835, 31314, 35919, 39910, 41445, 46971, 52190, 59670, 59865, 67847, 71838, 78285, 82890, 93942, 107757, 119730, 135694, 140913, 156570, 179595, 203541, 215514, 234855, 281826, 339235, 359190, 407082, 469710, 538785, 610623, 678470, 704565, 1017705, 1077570, 1221246, 1409130, 1831869, 2035410, 3053115, 3663738, 6106230, 9159345, 18318690]

約数ペア:

[(1, 18318690), (2, 9159345), (3, 6106230), (5, 3663738), (6, 3053115), (9, 2035410), (10, 1831869), (13, 1409130), (15, 1221246), (17, 1077570), (18, 1017705), (26, 704565), (27, 678470), (30, 610623), (34, 538785), (39, 469710), (45, 407082), (51, 359190), (54, 339235), (65, 281826), (78, 234855), (85, 215514), (90, 203541), (102, 179595), (117, 156570), (130, 140913), (135, 135694), (153, 119730), (170, 107757), (195, 93942), (221, 82890), (234, 78285), (255, 71838), (270, 67847), (306, 59865), (307, 59670), (351, 52190), (390, 46971), (442, 41445), (459, 39910), (510, 35919), (585, 31314), (614, 29835), (663, 27630), (702, 26095), (765, 23946), (918, 19955), (921, 19890), (1105, 16578), (1170, 15657), (1326, 13815), (1530, 11973), (1535, 11934), (1755, 10438), (1842, 9945), (1989, 9210), (2210, 8289), (2295, 7982), (2763, 6630), (3070, 5967), (3315, 5526), (3510, 5219), (3978, 4605), (3991, 4590)]