18440422

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 37997568

約数和(自身を除く): 19557146

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 91, 122, 143, 151, 154, 182, 286, 302, 427, 671, 793, 854, 1001, 1057, 1342, 1586, 1661, 1963, 2002, 2114, 3322, 3926, 4697, 5551, 8723, 9211, 9394, 11102, 11627, 13741, 17446, 18422, 21593, 23254, 27482, 43186, 61061, 64477, 101321, 119743, 122122, 128954, 151151, 202642, 239486, 302302, 709247, 838201, 1317173, 1418494, 1676402, 2634346, 9220211, 18440422]

約数ペア:

[(1, 18440422), (2, 9220211), (7, 2634346), (11, 1676402), (13, 1418494), (14, 1317173), (22, 838201), (26, 709247), (61, 302302), (77, 239486), (91, 202642), (122, 151151), (143, 128954), (151, 122122), (154, 119743), (182, 101321), (286, 64477), (302, 61061), (427, 43186), (671, 27482), (793, 23254), (854, 21593), (1001, 18422), (1057, 17446), (1342, 13741), (1586, 11627), (1661, 11102), (1963, 9394), (2002, 9211), (2114, 8723), (3322, 5551), (3926, 4697)]