19444040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 36543160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 88, 107, 110, 118, 140, 154, 214, 220, 236, 280, 295, 308, 385, 413, 428, 440, 472, 535, 590, 616, 649, 749, 770, 826, 856, 1070, 1177, 1180, 1298, 1498, 1540, 1652, 2065, 2140, 2354, 2360, 2596, 2996, 3080, 3245, 3304, 3745, 4130, 4280, 4543, 4708, 5192, 5885, 5992, 6313, 6490, 7490, 8239, 8260, 9086, 9416, 11770, 12626, 12980, 14980, 16478, 16520, 18172, 22715, 23540, 25252, 25960, 29960, 31565, 32956, 36344, 41195, 44191, 45430, 47080, 50504, 63130, 65912, 69443, 82390, 88382, 90860, 126260, 138886, 164780, 176764, 181720, 220955, 252520, 277772, 329560, 347215, 353528, 441910, 486101, 555544, 694430, 883820, 972202, 1388860, 1767640, 1944404, 2430505, 2777720, 3888808, 4861010, 9722020, 19444040]

約数ペア:

[(1, 19444040), (2, 9722020), (4, 4861010), (5, 3888808), (7, 2777720), (8, 2430505), (10, 1944404), (11, 1767640), (14, 1388860), (20, 972202), (22, 883820), (28, 694430), (35, 555544), (40, 486101), (44, 441910), (55, 353528), (56, 347215), (59, 329560), (70, 277772), (77, 252520), (88, 220955), (107, 181720), (110, 176764), (118, 164780), (140, 138886), (154, 126260), (214, 90860), (220, 88382), (236, 82390), (280, 69443), (295, 65912), (308, 63130), (385, 50504), (413, 47080), (428, 45430), (440, 44191), (472, 41195), (535, 36344), (590, 32956), (616, 31565), (649, 29960), (749, 25960), (770, 25252), (826, 23540), (856, 22715), (1070, 18172), (1177, 16520), (1180, 16478), (1298, 14980), (1498, 12980), (1540, 12626), (1652, 11770), (2065, 9416), (2140, 9086), (2354, 8260), (2360, 8239), (2596, 7490), (2996, 6490), (3080, 6313), (3245, 5992), (3304, 5885), (3745, 5192), (4130, 4708), (4280, 4543)]