19505918890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1051}}^1$

素因数の和:1268

約数の個数: 128

約数和(自身を含む): 40138260480

約数和(自身を除く): 20632341590

約数列:

[1, 2, 5, 10, 19, 23, 31, 38, 46, 62, 95, 115, 137, 155, 190, 230, 274, 310, 437, 589, 685, 713, 874, 1051, 1178, 1370, 1426, 2102, 2185, 2603, 2945, 3151, 3565, 4247, 4370, 5206, 5255, 5890, 6302, 7130, 8494, 10510, 13015, 13547, 15755, 19969, 21235, 24173, 26030, 27094, 31510, 32581, 39938, 42470, 48346, 59869, 65162, 67735, 80693, 97681, 99845, 119738, 120865, 135470, 143987, 161386, 162905, 195362, 199690, 241730, 287974, 299345, 325810, 403465, 459287, 488405, 598690, 619039, 719935, 749363, 806930, 918574, 976810, 1238078, 1439870, 1498726, 1855939, 2296435, 2735753, 3095195, 3311701, 3711878, 3746815, 4463597, 4592870, 5471506, 6190390, 6623402, 7493630, 8927194, 9279695, 13678765, 14237897, 16558505, 18559390, 22317985, 27357530, 28475794, 33117010, 44635970, 62922319, 71189485, 84808343, 102662731, 125844638, 142378970, 169616686, 205325462, 314611595, 424041715, 513313655, 629223190, 848083430, 1026627310, 1950591889, 3901183778, 9752959445, 19505918890]

約数ペア:

[(1, 19505918890), (2, 9752959445), (5, 3901183778), (10, 1950591889), (19, 1026627310), (23, 848083430), (31, 629223190), (38, 513313655), (46, 424041715), (62, 314611595), (95, 205325462), (115, 169616686), (137, 142378970), (155, 125844638), (190, 102662731), (230, 84808343), (274, 71189485), (310, 62922319), (437, 44635970), (589, 33117010), (685, 28475794), (713, 27357530), (874, 22317985), (1051, 18559390), (1178, 16558505), (1370, 14237897), (1426, 13678765), (2102, 9279695), (2185, 8927194), (2603, 7493630), (2945, 6623402), (3151, 6190390), (3565, 5471506), (4247, 4592870), (4370, 4463597), (5206, 3746815), (5255, 3711878), (5890, 3311701), (6302, 3095195), (7130, 2735753), (8494, 2296435), (10510, 1855939), (13015, 1498726), (13547, 1439870), (15755, 1238078), (19969, 976810), (21235, 918574), (24173, 806930), (26030, 749363), (27094, 719935), (31510, 619039), (32581, 598690), (39938, 488405), (42470, 459287), (48346, 403465), (59869, 325810), (65162, 299345), (67735, 287974), (80693, 241730), (97681, 199690), (99845, 195362), (119738, 162905), (120865, 161386), (135470, 143987)]