19490987740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{33767}}^1$

素因数の和:33840

約数の個数: 144

約数和(自身を含む): 51737978880

約数和(自身を除く): 32246991140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 380, 434, 490, 532, 589, 620, 665, 868, 931, 980, 1085, 1178, 1330, 1519, 1862, 2170, 2356, 2660, 2945, 3038, 3724, 4123, 4340, 4655, 5890, 6076, 7595, 8246, 9310, 11780, 15190, 16492, 18620, 20615, 28861, 30380, 33767, 41230, 57722, 67534, 82460, 115444, 135068, 144305, 168835, 236369, 288610, 337670, 472738, 577220, 641573, 675340, 945476, 1046777, 1181845, 1283146, 1654583, 2093554, 2363690, 2566292, 3207865, 3309166, 4187108, 4491011, 4727380, 5233885, 6415730, 6618332, 7327439, 8272915, 8982022, 10467770, 12831460, 14654878, 16545830, 17964044, 19888763, 20935540, 22455055, 29309756, 31437077, 33091660, 36637195, 39777526, 44910110, 51292073, 62874154, 73274390, 79555052, 89820220, 99443815, 102584146, 125748308, 139221341, 146548780, 157185385, 198887630, 205168292, 256460365, 278442682, 314370770, 397775260, 512920730, 556885364, 628741540, 696106705, 974549387, 1025841460, 1392213410, 1949098774, 2784426820, 3898197548, 4872746935, 9745493870, 19490987740]

約数ペア:

[(1, 19490987740), (2, 9745493870), (4, 4872746935), (5, 3898197548), (7, 2784426820), (10, 1949098774), (14, 1392213410), (19, 1025841460), (20, 974549387), (28, 696106705), (31, 628741540), (35, 556885364), (38, 512920730), (49, 397775260), (62, 314370770), (70, 278442682), (76, 256460365), (95, 205168292), (98, 198887630), (124, 157185385), (133, 146548780), (140, 139221341), (155, 125748308), (190, 102584146), (196, 99443815), (217, 89820220), (245, 79555052), (266, 73274390), (310, 62874154), (380, 51292073), (434, 44910110), (490, 39777526), (532, 36637195), (589, 33091660), (620, 31437077), (665, 29309756), (868, 22455055), (931, 20935540), (980, 19888763), (1085, 17964044), (1178, 16545830), (1330, 14654878), (1519, 12831460), (1862, 10467770), (2170, 8982022), (2356, 8272915), (2660, 7327439), (2945, 6618332), (3038, 6415730), (3724, 5233885), (4123, 4727380), (4340, 4491011), (4655, 4187108), (5890, 3309166), (6076, 3207865), (7595, 2566292), (8246, 2363690), (9310, 2093554), (11780, 1654583), (15190, 1283146), (16492, 1181845), (18620, 1046777), (20615, 945476), (28861, 675340), (30380, 641573), (33767, 577220), (41230, 472738), (57722, 337670), (67534, 288610), (82460, 236369), (115444, 168835), (135068, 144305)]