18954108

素因数分解:

$2^2\times 3^3\times {\mathrm{223}}^1\times {\mathrm{787}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 49423360

約数和(自身を除く): 30469252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 223, 446, 669, 787, 892, 1338, 1574, 2007, 2361, 2676, 3148, 4014, 4722, 6021, 7083, 8028, 9444, 12042, 14166, 21249, 24084, 28332, 42498, 84996, 175501, 351002, 526503, 702004, 1053006, 1579509, 2106012, 3159018, 4738527, 6318036, 9477054, 18954108]

約数ペア:

[(1, 18954108), (2, 9477054), (3, 6318036), (4, 4738527), (6, 3159018), (9, 2106012), (12, 1579509), (18, 1053006), (27, 702004), (36, 526503), (54, 351002), (108, 175501), (223, 84996), (446, 42498), (669, 28332), (787, 24084), (892, 21249), (1338, 14166), (1574, 12042), (2007, 9444), (2361, 8028), (2676, 7083), (3148, 6021), (4014, 4722)]