20191984418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1\times {\mathrm{811}}^1$

素因数の和:1383

約数の個数: 64

約数和(自身を含む): 33927828480

約数和(自身を除く): 13735844062

約数列:

[1, 2, 19, 23, 38, 46, 61, 122, 437, 467, 811, 874, 934, 1159, 1403, 1622, 2318, 2806, 8873, 10741, 15409, 17746, 18653, 21482, 26657, 28487, 30818, 37306, 49471, 53314, 56974, 98942, 204079, 354407, 378737, 408158, 541253, 655201, 708814, 757474, 939949, 1082506, 1137833, 1310402, 1879898, 2275666, 7196003, 8710951, 12448819, 14392006, 17421902, 21618827, 23102957, 24897638, 43237654, 46205914, 165508069, 331016138, 438956183, 531368011, 877912366, 1062736022, 10095992209, 20191984418]

約数ペア:

[(1, 20191984418), (2, 10095992209), (19, 1062736022), (23, 877912366), (38, 531368011), (46, 438956183), (61, 331016138), (122, 165508069), (437, 46205914), (467, 43237654), (811, 24897638), (874, 23102957), (934, 21618827), (1159, 17421902), (1403, 14392006), (1622, 12448819), (2318, 8710951), (2806, 7196003), (8873, 2275666), (10741, 1879898), (15409, 1310402), (17746, 1137833), (18653, 1082506), (21482, 939949), (26657, 757474), (28487, 708814), (30818, 655201), (37306, 541253), (49471, 408158), (53314, 378737), (56974, 354407), (98942, 204079)]