18435420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 60121152

約数和(自身を除く): 41685732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 73, 90, 92, 115, 122, 138, 146, 180, 183, 207, 219, 230, 244, 276, 292, 305, 345, 365, 366, 414, 438, 460, 549, 610, 657, 690, 730, 732, 828, 876, 915, 1035, 1095, 1098, 1220, 1314, 1380, 1403, 1460, 1679, 1830, 2070, 2190, 2196, 2628, 2745, 2806, 3285, 3358, 3660, 4140, 4209, 4380, 4453, 5037, 5490, 5612, 6570, 6716, 7015, 8395, 8418, 8906, 10074, 10980, 12627, 13140, 13359, 14030, 15111, 16790, 16836, 17812, 20148, 21045, 22265, 25185, 25254, 26718, 28060, 30222, 33580, 40077, 42090, 44530, 50370, 50508, 53436, 60444, 63135, 66795, 75555, 80154, 84180, 89060, 100740, 102419, 126270, 133590, 151110, 160308, 200385, 204838, 252540, 267180, 302220, 307257, 400770, 409676, 512095, 614514, 801540, 921771, 1024190, 1229028, 1536285, 1843542, 2048380, 3072570, 3687084, 4608855, 6145140, 9217710, 18435420]

約数ペア:

[(1, 18435420), (2, 9217710), (3, 6145140), (4, 4608855), (5, 3687084), (6, 3072570), (9, 2048380), (10, 1843542), (12, 1536285), (15, 1229028), (18, 1024190), (20, 921771), (23, 801540), (30, 614514), (36, 512095), (45, 409676), (46, 400770), (60, 307257), (61, 302220), (69, 267180), (73, 252540), (90, 204838), (92, 200385), (115, 160308), (122, 151110), (138, 133590), (146, 126270), (180, 102419), (183, 100740), (207, 89060), (219, 84180), (230, 80154), (244, 75555), (276, 66795), (292, 63135), (305, 60444), (345, 53436), (365, 50508), (366, 50370), (414, 44530), (438, 42090), (460, 40077), (549, 33580), (610, 30222), (657, 28060), (690, 26718), (730, 25254), (732, 25185), (828, 22265), (876, 21045), (915, 20148), (1035, 17812), (1095, 16836), (1098, 16790), (1220, 15111), (1314, 14030), (1380, 13359), (1403, 13140), (1460, 12627), (1679, 10980), (1830, 10074), (2070, 8906), (2190, 8418), (2196, 8395), (2628, 7015), (2745, 6716), (2806, 6570), (3285, 5612), (3358, 5490), (3660, 5037), (4140, 4453), (4209, 4380)]