19997703078

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1\times {\mathrm{1481}}^1$

素因数の和:2093

約数の個数: 64

約数和(自身を含む): 41281643520

約数和(自身を除く): 21283940442

約数列:

[1, 2, 3, 6, 61, 79, 122, 158, 183, 237, 366, 467, 474, 934, 1401, 1481, 2802, 2962, 4443, 4819, 8886, 9638, 14457, 28487, 28914, 36893, 56974, 73786, 85461, 90341, 110679, 116999, 170922, 180682, 221358, 233998, 271023, 350997, 542046, 691627, 701994, 1383254, 2074881, 2250473, 4149762, 4500946, 6751419, 7136939, 13502838, 14273878, 21410817, 42189247, 42821634, 54638533, 84378494, 109277066, 126567741, 163915599, 253135482, 327831198, 3332950513, 6665901026, 9998851539, 19997703078]

約数ペア:

[(1, 19997703078), (2, 9998851539), (3, 6665901026), (6, 3332950513), (61, 327831198), (79, 253135482), (122, 163915599), (158, 126567741), (183, 109277066), (237, 84378494), (366, 54638533), (467, 42821634), (474, 42189247), (934, 21410817), (1401, 14273878), (1481, 13502838), (2802, 7136939), (2962, 6751419), (4443, 4500946), (4819, 4149762), (8886, 2250473), (9638, 2074881), (14457, 1383254), (28487, 701994), (28914, 691627), (36893, 542046), (56974, 350997), (73786, 271023), (85461, 233998), (90341, 221358), (110679, 180682), (116999, 170922)]