18921708

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{13477}}^1$

素因数の和:13503

約数の個数: 48

約数和(自身を含む): 52833760

約数和(自身を除く): 33912052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 13477, 26954, 40431, 53908, 80862, 121293, 161724, 175201, 242586, 350402, 363879, 485172, 525603, 700804, 727758, 1051206, 1455516, 1576809, 2102412, 3153618, 4730427, 6307236, 9460854, 18921708]

約数ペア:

[(1, 18921708), (2, 9460854), (3, 6307236), (4, 4730427), (6, 3153618), (9, 2102412), (12, 1576809), (13, 1455516), (18, 1051206), (26, 727758), (27, 700804), (36, 525603), (39, 485172), (52, 363879), (54, 350402), (78, 242586), (108, 175201), (117, 161724), (156, 121293), (234, 80862), (351, 53908), (468, 40431), (702, 26954), (1404, 13477)]