18948776

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27707224

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1619, 1672, 2926, 3238, 5852, 6476, 11333, 11704, 12952, 17809, 22666, 30761, 35618, 45332, 61522, 71236, 90664, 123044, 124663, 142472, 215327, 246088, 249326, 338371, 430654, 498652, 676742, 861308, 997304, 1353484, 1722616, 2368597, 2706968, 4737194, 9474388, 18948776]

約数ペア:

[(1, 18948776), (2, 9474388), (4, 4737194), (7, 2706968), (8, 2368597), (11, 1722616), (14, 1353484), (19, 997304), (22, 861308), (28, 676742), (38, 498652), (44, 430654), (56, 338371), (76, 249326), (77, 246088), (88, 215327), (133, 142472), (152, 124663), (154, 123044), (209, 90664), (266, 71236), (308, 61522), (418, 45332), (532, 35618), (616, 30761), (836, 22666), (1064, 17809), (1463, 12952), (1619, 11704), (1672, 11333), (2926, 6476), (3238, 5852)]