18878482810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{8699}}^1$

素因数の和:9007

約数の個数: 64

約数和(自身を含む): 37621584000

約数和(自身を除く): 18743101190

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 181, 218, 362, 545, 905, 1090, 1199, 1810, 1991, 2398, 3982, 5995, 8699, 9955, 11990, 17398, 19729, 19910, 39458, 43495, 86990, 95689, 98645, 191378, 197290, 217019, 434038, 478445, 948191, 956890, 1085095, 1574519, 1896382, 2170190, 3149038, 4740955, 7872595, 9481910, 10430101, 15745190, 17319709, 20860202, 34639418, 52150505, 86598545, 104301010, 171622571, 173197090, 343245142, 858112855, 1716225710, 1887848281, 3775696562, 9439241405, 18878482810]

約数ペア:

[(1, 18878482810), (2, 9439241405), (5, 3775696562), (10, 1887848281), (11, 1716225710), (22, 858112855), (55, 343245142), (109, 173197090), (110, 171622571), (181, 104301010), (218, 86598545), (362, 52150505), (545, 34639418), (905, 20860202), (1090, 17319709), (1199, 15745190), (1810, 10430101), (1991, 9481910), (2398, 7872595), (3982, 4740955), (5995, 3149038), (8699, 2170190), (9955, 1896382), (11990, 1574519), (17398, 1085095), (19729, 956890), (19910, 948191), (39458, 478445), (43495, 434038), (86990, 217019), (95689, 197290), (98645, 191378)]