19718776

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 49863600

約数和(自身を除く): 30144824

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 119, 136, 154, 187, 196, 238, 269, 308, 374, 392, 476, 538, 539, 616, 748, 833, 952, 1076, 1078, 1309, 1496, 1666, 1883, 2152, 2156, 2618, 2959, 3332, 3766, 4312, 4573, 5236, 5918, 6664, 7532, 9146, 9163, 10472, 11836, 13181, 15064, 18292, 18326, 20713, 23672, 26362, 32011, 36584, 36652, 41426, 50303, 52724, 64022, 73304, 82852, 100606, 105448, 128044, 144991, 165704, 201212, 224077, 256088, 289982, 352121, 402424, 448154, 579964, 704242, 896308, 1159928, 1408484, 1792616, 2464847, 2816968, 4929694, 9859388, 19718776]

約数ペア:

[(1, 19718776), (2, 9859388), (4, 4929694), (7, 2816968), (8, 2464847), (11, 1792616), (14, 1408484), (17, 1159928), (22, 896308), (28, 704242), (34, 579964), (44, 448154), (49, 402424), (56, 352121), (68, 289982), (77, 256088), (88, 224077), (98, 201212), (119, 165704), (136, 144991), (154, 128044), (187, 105448), (196, 100606), (238, 82852), (269, 73304), (308, 64022), (374, 52724), (392, 50303), (476, 41426), (538, 36652), (539, 36584), (616, 32011), (748, 26362), (833, 23672), (952, 20713), (1076, 18326), (1078, 18292), (1309, 15064), (1496, 13181), (1666, 11836), (1883, 10472), (2152, 9163), (2156, 9146), (2618, 7532), (2959, 6664), (3332, 5918), (3766, 5236), (4312, 4573)]