18461864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 20936536

約数列:

[1, 2, 4, 8, 17, 29, 31, 34, 58, 62, 68, 116, 124, 136, 151, 232, 248, 302, 493, 527, 604, 899, 986, 1054, 1208, 1798, 1972, 2108, 2567, 3596, 3944, 4216, 4379, 4681, 5134, 7192, 8758, 9362, 10268, 15283, 17516, 18724, 20536, 30566, 35032, 37448, 61132, 74443, 79577, 122264, 135749, 148886, 159154, 271498, 297772, 318308, 542996, 595544, 636616, 1085992, 2307733, 4615466, 9230932, 18461864]

約数ペア:

[(1, 18461864), (2, 9230932), (4, 4615466), (8, 2307733), (17, 1085992), (29, 636616), (31, 595544), (34, 542996), (58, 318308), (62, 297772), (68, 271498), (116, 159154), (124, 148886), (136, 135749), (151, 122264), (232, 79577), (248, 74443), (302, 61132), (493, 37448), (527, 35032), (604, 30566), (899, 20536), (986, 18724), (1054, 17516), (1208, 15283), (1798, 10268), (1972, 9362), (2108, 8758), (2567, 7192), (3596, 5134), (3944, 4681), (4216, 4379)]