19998264

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5827}}^1$

素因数の和:5860

約数の個数: 64

約数和(自身を含む): 58746240

約数和(自身を除く): 38747976

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 5827, 11654, 17481, 23308, 34962, 46616, 64097, 69924, 75751, 128194, 139848, 151502, 192291, 227253, 256388, 303004, 384582, 454506, 512776, 606008, 769164, 833261, 909012, 1538328, 1666522, 1818024, 2499783, 3333044, 4999566, 6666088, 9999132, 19998264]

約数ペア:

[(1, 19998264), (2, 9999132), (3, 6666088), (4, 4999566), (6, 3333044), (8, 2499783), (11, 1818024), (12, 1666522), (13, 1538328), (22, 909012), (24, 833261), (26, 769164), (33, 606008), (39, 512776), (44, 454506), (52, 384582), (66, 303004), (78, 256388), (88, 227253), (104, 192291), (132, 151502), (143, 139848), (156, 128194), (264, 75751), (286, 69924), (312, 64097), (429, 46616), (572, 34962), (858, 23308), (1144, 17481), (1716, 11654), (3432, 5827)]