17939856

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 51478848

約数和(自身を除く): 33538992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 61, 66, 88, 122, 132, 176, 183, 244, 264, 366, 488, 528, 557, 671, 732, 976, 1114, 1342, 1464, 1671, 2013, 2228, 2684, 2928, 3342, 4026, 4456, 5368, 6127, 6684, 8052, 8912, 10736, 12254, 13368, 16104, 18381, 24508, 26736, 32208, 33977, 36762, 49016, 67954, 73524, 98032, 101931, 135908, 147048, 203862, 271816, 294096, 373747, 407724, 543632, 747494, 815448, 1121241, 1494988, 1630896, 2242482, 2989976, 4484964, 5979952, 8969928, 17939856]

約数ペア:

[(1, 17939856), (2, 8969928), (3, 5979952), (4, 4484964), (6, 2989976), (8, 2242482), (11, 1630896), (12, 1494988), (16, 1121241), (22, 815448), (24, 747494), (33, 543632), (44, 407724), (48, 373747), (61, 294096), (66, 271816), (88, 203862), (122, 147048), (132, 135908), (176, 101931), (183, 98032), (244, 73524), (264, 67954), (366, 49016), (488, 36762), (528, 33977), (557, 32208), (671, 26736), (732, 24508), (976, 18381), (1114, 16104), (1342, 13368), (1464, 12254), (1671, 10736), (2013, 8912), (2228, 8052), (2684, 6684), (2928, 6127), (3342, 5368), (4026, 4456)]