19247480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1297}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 50466240

約数和(自身を除く): 31218760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1297, 1484, 1855, 2120, 2594, 2968, 3710, 5188, 6485, 7420, 9079, 10376, 12970, 14840, 18158, 25940, 36316, 45395, 51880, 68741, 72632, 90790, 137482, 181580, 274964, 343705, 363160, 481187, 549928, 687410, 962374, 1374820, 1924748, 2405935, 2749640, 3849496, 4811870, 9623740, 19247480]

約数ペア:

[(1, 19247480), (2, 9623740), (4, 4811870), (5, 3849496), (7, 2749640), (8, 2405935), (10, 1924748), (14, 1374820), (20, 962374), (28, 687410), (35, 549928), (40, 481187), (53, 363160), (56, 343705), (70, 274964), (106, 181580), (140, 137482), (212, 90790), (265, 72632), (280, 68741), (371, 51880), (424, 45395), (530, 36316), (742, 25940), (1060, 18158), (1297, 14840), (1484, 12970), (1855, 10376), (2120, 9079), (2594, 7420), (2968, 6485), (3710, 5188)]