18910916892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4414313}}^1$

素因数の和:4414347

約数の個数: 72

約数和(自身を含む): 57845170656

約数和(自身を除く): 38934253764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4414313, 8828626, 13242939, 17657252, 26485878, 30900191, 39728817, 52971756, 61800382, 75043321, 79457634, 92700573, 123600764, 150086642, 158915268, 185401146, 225129963, 278101719, 300173284, 370802292, 450259926, 525303247, 556203438, 675389889, 900519852, 1050606494, 1112406876, 1350779778, 1575909741, 2101212988, 2701559556, 3151819482, 4727729223, 6303638964, 9455458446, 18910916892]

約数ペア:

[(1, 18910916892), (2, 9455458446), (3, 6303638964), (4, 4727729223), (6, 3151819482), (7, 2701559556), (9, 2101212988), (12, 1575909741), (14, 1350779778), (17, 1112406876), (18, 1050606494), (21, 900519852), (28, 675389889), (34, 556203438), (36, 525303247), (42, 450259926), (51, 370802292), (63, 300173284), (68, 278101719), (84, 225129963), (102, 185401146), (119, 158915268), (126, 150086642), (153, 123600764), (204, 92700573), (238, 79457634), (252, 75043321), (306, 61800382), (357, 52971756), (476, 39728817), (612, 30900191), (714, 26485878), (1071, 17657252), (1428, 13242939), (2142, 8828626), (4284, 4414313)]