19499742470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{73277}}^1$

素因数の和:73409

約数の個数: 64

約数和(自身を含む): 39886680960

約数和(自身を除く): 20386938490

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 89, 115, 130, 178, 230, 299, 445, 598, 890, 1157, 1495, 2047, 2314, 2990, 4094, 5785, 10235, 11570, 20470, 26611, 53222, 73277, 133055, 146554, 266110, 366385, 732770, 952601, 1685371, 1905202, 3370742, 4763005, 6521653, 8426855, 9526010, 13043306, 16853710, 21909823, 32608265, 43819646, 65216530, 84781489, 109549115, 149998019, 169562978, 219098230, 299996038, 423907445, 749990095, 847814890, 1499980190, 1949974247, 3899948494, 9749871235, 19499742470]

約数ペア:

[(1, 19499742470), (2, 9749871235), (5, 3899948494), (10, 1949974247), (13, 1499980190), (23, 847814890), (26, 749990095), (46, 423907445), (65, 299996038), (89, 219098230), (115, 169562978), (130, 149998019), (178, 109549115), (230, 84781489), (299, 65216530), (445, 43819646), (598, 32608265), (890, 21909823), (1157, 16853710), (1495, 13043306), (2047, 9526010), (2314, 8426855), (2990, 6521653), (4094, 4763005), (5785, 3370742), (10235, 1905202), (11570, 1685371), (20470, 952601), (26611, 732770), (53222, 366385), (73277, 266110), (133055, 146554)]