19172697460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2647}}^1$

素因数の和:3078

約数の個数: 144

約数和(自身を含む): 49446633600

約数和(自身を除く): 30273936140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 389, 490, 532, 665, 778, 931, 980, 1330, 1556, 1862, 1945, 2647, 2660, 2723, 3724, 3890, 4655, 5294, 5446, 7391, 7780, 9310, 10588, 10892, 13235, 13615, 14782, 18529, 18620, 19061, 26470, 27230, 29564, 36955, 37058, 38122, 50293, 51737, 52940, 54460, 73910, 74116, 76244, 92645, 95305, 100586, 103474, 129703, 147820, 185290, 190610, 201172, 206948, 251465, 258685, 259406, 352051, 362159, 370580, 381220, 502930, 517370, 518812, 648515, 704102, 724318, 1005860, 1029683, 1034740, 1297030, 1408204, 1448636, 1760255, 1810795, 2059366, 2464357, 2594060, 3520510, 3621590, 4118732, 4928714, 5148415, 7041020, 7207781, 7243180, 9857428, 10296830, 12321785, 14415562, 19563977, 20593660, 24643570, 28831124, 36038905, 39127954, 49287140, 50454467, 72077810, 78255908, 97819885, 100908934, 136947839, 144155620, 195639770, 201817868, 252272335, 273895678, 391279540, 504544670, 547791356, 684739195, 958634873, 1009089340, 1369478390, 1917269746, 2738956780, 3834539492, 4793174365, 9586348730, 19172697460]

約数ペア:

[(1, 19172697460), (2, 9586348730), (4, 4793174365), (5, 3834539492), (7, 2738956780), (10, 1917269746), (14, 1369478390), (19, 1009089340), (20, 958634873), (28, 684739195), (35, 547791356), (38, 504544670), (49, 391279540), (70, 273895678), (76, 252272335), (95, 201817868), (98, 195639770), (133, 144155620), (140, 136947839), (190, 100908934), (196, 97819885), (245, 78255908), (266, 72077810), (380, 50454467), (389, 49287140), (490, 39127954), (532, 36038905), (665, 28831124), (778, 24643570), (931, 20593660), (980, 19563977), (1330, 14415562), (1556, 12321785), (1862, 10296830), (1945, 9857428), (2647, 7243180), (2660, 7207781), (2723, 7041020), (3724, 5148415), (3890, 4928714), (4655, 4118732), (5294, 3621590), (5446, 3520510), (7391, 2594060), (7780, 2464357), (9310, 2059366), (10588, 1810795), (10892, 1760255), (13235, 1448636), (13615, 1408204), (14782, 1297030), (18529, 1034740), (18620, 1029683), (19061, 1005860), (26470, 724318), (27230, 704102), (29564, 648515), (36955, 518812), (37058, 517370), (38122, 502930), (50293, 381220), (51737, 370580), (52940, 362159), (54460, 352051), (73910, 259406), (74116, 258685), (76244, 251465), (92645, 206948), (95305, 201172), (100586, 190610), (103474, 185290), (129703, 147820)]