19744830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 62300160

約数和(自身を除く): 42555330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 337, 378, 434, 465, 558, 630, 651, 674, 837, 930, 945, 1011, 1085, 1302, 1395, 1674, 1685, 1890, 1953, 2022, 2170, 2359, 2790, 3033, 3255, 3370, 3906, 4185, 4718, 5055, 5859, 6066, 6510, 7077, 8370, 9099, 9765, 10110, 10447, 11718, 11795, 14154, 15165, 18198, 19530, 20894, 21231, 23590, 29295, 30330, 31341, 35385, 42462, 45495, 52235, 58590, 62682, 63693, 70770, 73129, 90990, 94023, 104470, 106155, 127386, 146258, 156705, 188046, 212310, 219387, 282069, 313410, 318465, 365645, 438774, 470115, 564138, 636930, 658161, 731290, 940230, 1096935, 1316322, 1410345, 1974483, 2193870, 2820690, 3290805, 3948966, 6581610, 9872415, 19744830]

約数ペア:

[(1, 19744830), (2, 9872415), (3, 6581610), (5, 3948966), (6, 3290805), (7, 2820690), (9, 2193870), (10, 1974483), (14, 1410345), (15, 1316322), (18, 1096935), (21, 940230), (27, 731290), (30, 658161), (31, 636930), (35, 564138), (42, 470115), (45, 438774), (54, 365645), (62, 318465), (63, 313410), (70, 282069), (90, 219387), (93, 212310), (105, 188046), (126, 156705), (135, 146258), (155, 127386), (186, 106155), (189, 104470), (210, 94023), (217, 90990), (270, 73129), (279, 70770), (310, 63693), (315, 62682), (337, 58590), (378, 52235), (434, 45495), (465, 42462), (558, 35385), (630, 31341), (651, 30330), (674, 29295), (837, 23590), (930, 21231), (945, 20894), (1011, 19530), (1085, 18198), (1302, 15165), (1395, 14154), (1674, 11795), (1685, 11718), (1890, 10447), (1953, 10110), (2022, 9765), (2170, 9099), (2359, 8370), (2790, 7077), (3033, 6510), (3255, 6066), (3370, 5859), (3906, 5055), (4185, 4718)]