18991170033

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{3391}}^1$

素因数の和:3638

約数の個数: 64

約数和(自身を含む): 29893017600

約数和(自身を除く): 10901847567

約数列:

[1, 3, 11, 17, 33, 51, 67, 149, 187, 201, 447, 561, 737, 1139, 1639, 2211, 2533, 3391, 3417, 4917, 7599, 9983, 10173, 12529, 27863, 29949, 37301, 37587, 57647, 83589, 109813, 111903, 169711, 172941, 227197, 329439, 505259, 509133, 634117, 681591, 1515777, 1866821, 1902351, 2499167, 3862349, 5557849, 5600463, 7497501, 8589403, 11587047, 16673547, 25768209, 33852353, 42485839, 94483433, 101557059, 127457517, 283450299, 372375883, 575490001, 1117127649, 1726470003, 6330390011, 18991170033]

約数ペア:

[(1, 18991170033), (3, 6330390011), (11, 1726470003), (17, 1117127649), (33, 575490001), (51, 372375883), (67, 283450299), (149, 127457517), (187, 101557059), (201, 94483433), (447, 42485839), (561, 33852353), (737, 25768209), (1139, 16673547), (1639, 11587047), (2211, 8589403), (2533, 7497501), (3391, 5600463), (3417, 5557849), (4917, 3862349), (7599, 2499167), (9983, 1902351), (10173, 1866821), (12529, 1515777), (27863, 681591), (29949, 634117), (37301, 509133), (37587, 505259), (57647, 329439), (83589, 227197), (109813, 172941), (111903, 169711)]