18657204972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1695493}}^1$

素因数の和:1695638

約数の個数: 48

約数和(自身を含む): 50132366592

約数和(自身を除く): 31475161620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 2751, 3668, 5502, 11004, 1695493, 3390986, 5086479, 6781972, 10172958, 11868451, 20345916, 23736902, 35605353, 47473804, 71210706, 142421412, 222109583, 444219166, 666328749, 888438332, 1332657498, 1554767081, 2665314996, 3109534162, 4664301243, 6219068324, 9328602486, 18657204972]

約数ペア:

[(1, 18657204972), (2, 9328602486), (3, 6219068324), (4, 4664301243), (6, 3109534162), (7, 2665314996), (12, 1554767081), (14, 1332657498), (21, 888438332), (28, 666328749), (42, 444219166), (84, 222109583), (131, 142421412), (262, 71210706), (393, 47473804), (524, 35605353), (786, 23736902), (917, 20345916), (1572, 11868451), (1834, 10172958), (2751, 6781972), (3668, 5086479), (5502, 3390986), (11004, 1695493)]