18311535

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 38304000

約数和(自身を除く): 19992465

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 59, 95, 99, 121, 135, 165, 171, 177, 209, 285, 295, 297, 363, 495, 513, 531, 605, 627, 649, 855, 885, 1045, 1089, 1121, 1485, 1593, 1815, 1881, 1947, 2299, 2565, 2655, 3135, 3245, 3267, 3363, 5445, 5605, 5643, 5841, 6897, 7139, 7965, 9405, 9735, 10089, 11495, 12331, 16335, 16815, 17523, 20691, 21417, 28215, 29205, 30267, 34485, 35695, 36993, 50445, 61655, 62073, 64251, 87615, 103455, 107085, 110979, 135641, 151335, 184965, 192753, 310365, 321255, 332937, 406923, 554895, 678205, 963765, 1220769, 1664685, 2034615, 3662307, 6103845, 18311535]

約数ペア:

[(1, 18311535), (3, 6103845), (5, 3662307), (9, 2034615), (11, 1664685), (15, 1220769), (19, 963765), (27, 678205), (33, 554895), (45, 406923), (55, 332937), (57, 321255), (59, 310365), (95, 192753), (99, 184965), (121, 151335), (135, 135641), (165, 110979), (171, 107085), (177, 103455), (209, 87615), (285, 64251), (295, 62073), (297, 61655), (363, 50445), (495, 36993), (513, 35695), (531, 34485), (605, 30267), (627, 29205), (649, 28215), (855, 21417), (885, 20691), (1045, 17523), (1089, 16815), (1121, 16335), (1485, 12331), (1593, 11495), (1815, 10089), (1881, 9735), (1947, 9405), (2299, 7965), (2565, 7139), (2655, 6897), (3135, 5841), (3245, 5643), (3267, 5605), (3363, 5445)]