19883481380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{27583}}^1$

素因数の和:27889

約数の個数: 96

約数和(自身を含む): 50419138560

約数和(自身を除く): 30535657180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 271, 380, 532, 542, 665, 1084, 1330, 1355, 1897, 2660, 2710, 3794, 5149, 5420, 7588, 9485, 10298, 18970, 20596, 25745, 27583, 36043, 37940, 51490, 55166, 72086, 102980, 110332, 137915, 144172, 180215, 193081, 275830, 360430, 386162, 524077, 551660, 720860, 772324, 965405, 1048154, 1930810, 2096308, 2620385, 3668539, 3861620, 5240770, 7337078, 7474993, 10481540, 14674156, 14949986, 18342695, 29899972, 36685390, 37374965, 52324951, 73370780, 74749930, 104649902, 142024867, 149499860, 209299804, 261624755, 284049734, 523249510, 568099468, 710124335, 994174069, 1046499020, 1420248670, 1988348138, 2840497340, 3976696276, 4970870345, 9941740690, 19883481380]

約数ペア:

[(1, 19883481380), (2, 9941740690), (4, 4970870345), (5, 3976696276), (7, 2840497340), (10, 1988348138), (14, 1420248670), (19, 1046499020), (20, 994174069), (28, 710124335), (35, 568099468), (38, 523249510), (70, 284049734), (76, 261624755), (95, 209299804), (133, 149499860), (140, 142024867), (190, 104649902), (266, 74749930), (271, 73370780), (380, 52324951), (532, 37374965), (542, 36685390), (665, 29899972), (1084, 18342695), (1330, 14949986), (1355, 14674156), (1897, 10481540), (2660, 7474993), (2710, 7337078), (3794, 5240770), (5149, 3861620), (5420, 3668539), (7588, 2620385), (9485, 2096308), (10298, 1930810), (18970, 1048154), (20596, 965405), (25745, 772324), (27583, 720860), (36043, 551660), (37940, 524077), (51490, 386162), (55166, 360430), (72086, 275830), (102980, 193081), (110332, 180215), (137915, 144172)]