19920866904

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{255947}}^1$

素因数の和:256029

約数の個数: 96

約数和(自身を含む): 57496158720

約数和(自身を除く): 37575291816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 47, 69, 72, 92, 94, 138, 141, 184, 188, 207, 276, 282, 376, 414, 423, 552, 564, 828, 846, 1081, 1128, 1656, 1692, 2162, 3243, 3384, 4324, 6486, 8648, 9729, 12972, 19458, 25944, 38916, 77832, 255947, 511894, 767841, 1023788, 1535682, 2047576, 2303523, 3071364, 4607046, 5886781, 6142728, 9214092, 11773562, 12029509, 17660343, 18428184, 23547124, 24059018, 35320686, 36088527, 47094248, 48118036, 52981029, 70641372, 72177054, 96236072, 105962058, 108265581, 141282744, 144354108, 211924116, 216531162, 276678707, 288708216, 423848232, 433062324, 553357414, 830036121, 866124648, 1106714828, 1660072242, 2213429656, 2490108363, 3320144484, 4980216726, 6640288968, 9960433452, 19920866904]

約数ペア:

[(1, 19920866904), (2, 9960433452), (3, 6640288968), (4, 4980216726), (6, 3320144484), (8, 2490108363), (9, 2213429656), (12, 1660072242), (18, 1106714828), (23, 866124648), (24, 830036121), (36, 553357414), (46, 433062324), (47, 423848232), (69, 288708216), (72, 276678707), (92, 216531162), (94, 211924116), (138, 144354108), (141, 141282744), (184, 108265581), (188, 105962058), (207, 96236072), (276, 72177054), (282, 70641372), (376, 52981029), (414, 48118036), (423, 47094248), (552, 36088527), (564, 35320686), (828, 24059018), (846, 23547124), (1081, 18428184), (1128, 17660343), (1656, 12029509), (1692, 11773562), (2162, 9214092), (3243, 6142728), (3384, 5886781), (4324, 4607046), (6486, 3071364), (8648, 2303523), (9729, 2047576), (12972, 1535682), (19458, 1023788), (25944, 767841), (38916, 511894), (77832, 255947)]