17933872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 41425920

約数和(自身を除く): 23492048

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 173, 176, 209, 248, 304, 341, 346, 418, 496, 589, 682, 692, 836, 1178, 1364, 1384, 1672, 1903, 2356, 2728, 2768, 3287, 3344, 3806, 4712, 5363, 5456, 6479, 6574, 7612, 9424, 10726, 12958, 13148, 15224, 21452, 25916, 26296, 30448, 36157, 42904, 51832, 52592, 58993, 72314, 85808, 101897, 103664, 117986, 144628, 203794, 235972, 289256, 407588, 471944, 578512, 815176, 943888, 1120867, 1630352, 2241734, 4483468, 8966936, 17933872]

約数ペア:

[(1, 17933872), (2, 8966936), (4, 4483468), (8, 2241734), (11, 1630352), (16, 1120867), (19, 943888), (22, 815176), (31, 578512), (38, 471944), (44, 407588), (62, 289256), (76, 235972), (88, 203794), (124, 144628), (152, 117986), (173, 103664), (176, 101897), (209, 85808), (248, 72314), (304, 58993), (341, 52592), (346, 51832), (418, 42904), (496, 36157), (589, 30448), (682, 26296), (692, 25916), (836, 21452), (1178, 15224), (1364, 13148), (1384, 12958), (1672, 10726), (1903, 9424), (2356, 7612), (2728, 6574), (2768, 6479), (3287, 5456), (3344, 5363), (3806, 4712)]