18267854

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 33037200

約数和(自身を除く): 14769346

約数列:

[1, 2, 11, 19, 22, 29, 38, 58, 121, 137, 209, 242, 274, 319, 418, 551, 638, 1102, 1507, 2299, 2603, 3014, 3509, 3973, 4598, 5206, 6061, 7018, 7946, 12122, 16577, 28633, 33154, 43703, 57266, 66671, 75487, 87406, 133342, 150974, 314963, 480733, 629926, 830357, 961466, 1660714, 9133927, 18267854]

約数ペア:

[(1, 18267854), (2, 9133927), (11, 1660714), (19, 961466), (22, 830357), (29, 629926), (38, 480733), (58, 314963), (121, 150974), (137, 133342), (209, 87406), (242, 75487), (274, 66671), (319, 57266), (418, 43703), (551, 33154), (638, 28633), (1102, 16577), (1507, 12122), (2299, 7946), (2603, 7018), (3014, 6061), (3509, 5206), (3973, 4598)]