17973956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 42872256

約数和(自身を除く): 24898300

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 67, 77, 91, 134, 143, 154, 182, 268, 286, 308, 364, 469, 572, 737, 871, 938, 1001, 1474, 1742, 1876, 2002, 2948, 3484, 4004, 4489, 5159, 6097, 8978, 9581, 10318, 12194, 17956, 19162, 20636, 24388, 31423, 38324, 49379, 58357, 62846, 67067, 98758, 116714, 125692, 134134, 197516, 233428, 268268, 345653, 408499, 641927, 691306, 816998, 1283854, 1382612, 1633996, 2567708, 4493489, 8986978, 17973956]

約数ペア:

[(1, 17973956), (2, 8986978), (4, 4493489), (7, 2567708), (11, 1633996), (13, 1382612), (14, 1283854), (22, 816998), (26, 691306), (28, 641927), (44, 408499), (52, 345653), (67, 268268), (77, 233428), (91, 197516), (134, 134134), (143, 125692), (154, 116714), (182, 98758), (268, 67067), (286, 62846), (308, 58357), (364, 49379), (469, 38324), (572, 31423), (737, 24388), (871, 20636), (938, 19162), (1001, 17956), (1474, 12194), (1742, 10318), (1876, 9581), (2002, 8978), (2948, 6097), (3484, 5159), (4004, 4489)]