19529748

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 59628800

約数和(自身を除く): 40099052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 79, 81, 84, 108, 109, 126, 158, 162, 189, 218, 237, 252, 316, 324, 327, 378, 436, 474, 553, 567, 654, 711, 756, 763, 948, 981, 1106, 1134, 1308, 1422, 1526, 1659, 1962, 2133, 2212, 2268, 2289, 2844, 2943, 3052, 3318, 3924, 4266, 4578, 4977, 5886, 6399, 6636, 6867, 8532, 8611, 8829, 9156, 9954, 11772, 12798, 13734, 14931, 17222, 17658, 19908, 20601, 25596, 25833, 27468, 29862, 34444, 35316, 41202, 44793, 51666, 59724, 60277, 61803, 77499, 82404, 89586, 103332, 120554, 123606, 154998, 179172, 180831, 232497, 241108, 247212, 309996, 361662, 464994, 542493, 697491, 723324, 929988, 1084986, 1394982, 1627479, 2169972, 2789964, 3254958, 4882437, 6509916, 9764874, 19529748]

約数ペア:

[(1, 19529748), (2, 9764874), (3, 6509916), (4, 4882437), (6, 3254958), (7, 2789964), (9, 2169972), (12, 1627479), (14, 1394982), (18, 1084986), (21, 929988), (27, 723324), (28, 697491), (36, 542493), (42, 464994), (54, 361662), (63, 309996), (79, 247212), (81, 241108), (84, 232497), (108, 180831), (109, 179172), (126, 154998), (158, 123606), (162, 120554), (189, 103332), (218, 89586), (237, 82404), (252, 77499), (316, 61803), (324, 60277), (327, 59724), (378, 51666), (436, 44793), (474, 41202), (553, 35316), (567, 34444), (654, 29862), (711, 27468), (756, 25833), (763, 25596), (948, 20601), (981, 19908), (1106, 17658), (1134, 17222), (1308, 14931), (1422, 13734), (1526, 12798), (1659, 11772), (1962, 9954), (2133, 9156), (2212, 8829), (2268, 8611), (2289, 8532), (2844, 6867), (2943, 6636), (3052, 6399), (3318, 5886), (3924, 4977), (4266, 4578)]