18731131380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421303}}^1$

素因数の和:421350

約数の個数: 144

約数和(自身を含む): 64408955520

約数和(自身を除く): 45677824140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 11115, 14820, 22230, 44460, 421303, 842606, 1263909, 1685212, 2106515, 2527818, 3791727, 4213030, 5055636, 5476939, 6319545, 7583454, 8004757, 8426060, 10953878, 12639090, 15166908, 16009514, 16430817, 18958635, 21907756, 24014271, 25278180, 27384695, 32019028, 32861634, 37917270, 40023785, 48028542, 49292451, 54769390, 65723268, 72042813, 75834540, 80047570, 82154085, 96057084, 98584902, 104061841, 109538780, 120071355, 144085626, 160095140, 164308170, 197169804, 208123682, 240142710, 246462255, 288171252, 312185523, 328616340, 360214065, 416247364, 480285420, 492924510, 520309205, 624371046, 720428130, 936556569, 985849020, 1040618410, 1248742092, 1440856260, 1560927615, 1873113138, 2081236820, 3121855230, 3746226276, 4682782845, 6243710460, 9365565690, 18731131380]

約数ペア:

[(1, 18731131380), (2, 9365565690), (3, 6243710460), (4, 4682782845), (5, 3746226276), (6, 3121855230), (9, 2081236820), (10, 1873113138), (12, 1560927615), (13, 1440856260), (15, 1248742092), (18, 1040618410), (19, 985849020), (20, 936556569), (26, 720428130), (30, 624371046), (36, 520309205), (38, 492924510), (39, 480285420), (45, 416247364), (52, 360214065), (57, 328616340), (60, 312185523), (65, 288171252), (76, 246462255), (78, 240142710), (90, 208123682), (95, 197169804), (114, 164308170), (117, 160095140), (130, 144085626), (156, 120071355), (171, 109538780), (180, 104061841), (190, 98584902), (195, 96057084), (228, 82154085), (234, 80047570), (247, 75834540), (260, 72042813), (285, 65723268), (342, 54769390), (380, 49292451), (390, 48028542), (468, 40023785), (494, 37917270), (570, 32861634), (585, 32019028), (684, 27384695), (741, 25278180), (780, 24014271), (855, 21907756), (988, 18958635), (1140, 16430817), (1170, 16009514), (1235, 15166908), (1482, 12639090), (1710, 10953878), (2223, 8426060), (2340, 8004757), (2470, 7583454), (2964, 6319545), (3420, 5476939), (3705, 5055636), (4446, 4213030), (4940, 3791727), (7410, 2527818), (8892, 2106515), (11115, 1685212), (14820, 1263909), (22230, 842606), (44460, 421303)]