19907664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 59281920

約数和(自身を除く): 39374256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 179, 331, 336, 358, 537, 662, 716, 993, 1074, 1253, 1324, 1432, 1986, 2148, 2317, 2506, 2648, 2864, 3759, 3972, 4296, 4634, 5012, 5296, 6951, 7518, 7944, 8592, 9268, 10024, 13902, 15036, 15888, 18536, 20048, 27804, 30072, 37072, 55608, 59249, 60144, 111216, 118498, 177747, 236996, 355494, 414743, 473992, 710988, 829486, 947984, 1244229, 1421976, 1658972, 2488458, 2843952, 3317944, 4976916, 6635888, 9953832, 19907664]

約数ペア:

[(1, 19907664), (2, 9953832), (3, 6635888), (4, 4976916), (6, 3317944), (7, 2843952), (8, 2488458), (12, 1658972), (14, 1421976), (16, 1244229), (21, 947984), (24, 829486), (28, 710988), (42, 473992), (48, 414743), (56, 355494), (84, 236996), (112, 177747), (168, 118498), (179, 111216), (331, 60144), (336, 59249), (358, 55608), (537, 37072), (662, 30072), (716, 27804), (993, 20048), (1074, 18536), (1253, 15888), (1324, 15036), (1432, 13902), (1986, 10024), (2148, 9268), (2317, 8592), (2506, 7944), (2648, 7518), (2864, 6951), (3759, 5296), (3972, 5012), (4296, 4634)]