18968688

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2347

約数の個数: 80

約数和(自身を含む): 57337600

約数和(自身を除く): 38368912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2311, 2736, 4104, 4622, 6933, 8208, 9244, 13866, 18488, 20799, 27732, 36976, 41598, 43909, 55464, 62397, 83196, 87818, 110928, 124794, 131727, 166392, 175636, 249588, 263454, 332784, 351272, 395181, 499176, 526908, 702544, 790362, 998352, 1053816, 1185543, 1580724, 2107632, 2371086, 3161448, 4742172, 6322896, 9484344, 18968688]

約数ペア:

[(1, 18968688), (2, 9484344), (3, 6322896), (4, 4742172), (6, 3161448), (8, 2371086), (9, 2107632), (12, 1580724), (16, 1185543), (18, 1053816), (19, 998352), (24, 790362), (27, 702544), (36, 526908), (38, 499176), (48, 395181), (54, 351272), (57, 332784), (72, 263454), (76, 249588), (108, 175636), (114, 166392), (144, 131727), (152, 124794), (171, 110928), (216, 87818), (228, 83196), (304, 62397), (342, 55464), (432, 43909), (456, 41598), (513, 36976), (684, 27732), (912, 20799), (1026, 18488), (1368, 13866), (2052, 9244), (2311, 8208), (2736, 6933), (4104, 4622)]