19304320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 35530880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 139, 140, 155, 160, 217, 224, 248, 278, 280, 310, 320, 434, 448, 496, 556, 560, 620, 640, 695, 868, 896, 973, 992, 1085, 1112, 1120, 1240, 1390, 1736, 1946, 1984, 2170, 2224, 2240, 2480, 2780, 3472, 3892, 3968, 4309, 4340, 4448, 4480, 4865, 4960, 5560, 6944, 7784, 8618, 8680, 8896, 9730, 9920, 11120, 13888, 15568, 17236, 17360, 17792, 19460, 19840, 21545, 22240, 27776, 30163, 31136, 34472, 34720, 38920, 43090, 44480, 60326, 62272, 68944, 69440, 77840, 86180, 88960, 120652, 124544, 137888, 138880, 150815, 155680, 172360, 241304, 275776, 301630, 311360, 344720, 482608, 551552, 603260, 622720, 689440, 965216, 1206520, 1378880, 1930432, 2413040, 2757760, 3860864, 4826080, 9652160, 19304320]

約数ペア:

[(1, 19304320), (2, 9652160), (4, 4826080), (5, 3860864), (7, 2757760), (8, 2413040), (10, 1930432), (14, 1378880), (16, 1206520), (20, 965216), (28, 689440), (31, 622720), (32, 603260), (35, 551552), (40, 482608), (56, 344720), (62, 311360), (64, 301630), (70, 275776), (80, 241304), (112, 172360), (124, 155680), (128, 150815), (139, 138880), (140, 137888), (155, 124544), (160, 120652), (217, 88960), (224, 86180), (248, 77840), (278, 69440), (280, 68944), (310, 62272), (320, 60326), (434, 44480), (448, 43090), (496, 38920), (556, 34720), (560, 34472), (620, 31136), (640, 30163), (695, 27776), (868, 22240), (896, 21545), (973, 19840), (992, 19460), (1085, 17792), (1112, 17360), (1120, 17236), (1240, 15568), (1390, 13888), (1736, 11120), (1946, 9920), (1984, 9730), (2170, 8896), (2224, 8680), (2240, 8618), (2480, 7784), (2780, 6944), (3472, 5560), (3892, 4960), (3968, 4865), (4309, 4480), (4340, 4448)]