18855068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 17916772

約数列:

[1, 2, 4, 19, 31, 38, 53, 62, 76, 106, 124, 151, 212, 302, 589, 604, 1007, 1178, 1643, 2014, 2356, 2869, 3286, 4028, 4681, 5738, 6572, 8003, 9362, 11476, 16006, 18724, 31217, 32012, 62434, 88939, 124868, 152057, 177878, 248093, 304114, 355756, 496186, 608228, 992372, 4713767, 9427534, 18855068]

約数ペア:

[(1, 18855068), (2, 9427534), (4, 4713767), (19, 992372), (31, 608228), (38, 496186), (53, 355756), (62, 304114), (76, 248093), (106, 177878), (124, 152057), (151, 124868), (212, 88939), (302, 62434), (589, 32012), (604, 31217), (1007, 18724), (1178, 16006), (1643, 11476), (2014, 9362), (2356, 8003), (2869, 6572), (3286, 5738), (4028, 4681)]