18848988

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1667

約数の個数: 72

約数和(自身を含む): 53136720

約数和(自身を除く): 34287732

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1621, 1938, 2907, 3242, 3876, 4863, 5814, 6484, 9726, 11628, 14589, 19452, 27557, 29178, 30799, 55114, 58356, 61598, 82671, 92397, 110228, 123196, 165342, 184794, 248013, 277191, 330684, 369588, 496026, 523583, 554382, 992052, 1047166, 1108764, 1570749, 2094332, 3141498, 4712247, 6282996, 9424494, 18848988]

約数ペア:

[(1, 18848988), (2, 9424494), (3, 6282996), (4, 4712247), (6, 3141498), (9, 2094332), (12, 1570749), (17, 1108764), (18, 1047166), (19, 992052), (34, 554382), (36, 523583), (38, 496026), (51, 369588), (57, 330684), (68, 277191), (76, 248013), (102, 184794), (114, 165342), (153, 123196), (171, 110228), (204, 92397), (228, 82671), (306, 61598), (323, 58356), (342, 55114), (612, 30799), (646, 29178), (684, 27557), (969, 19452), (1292, 14589), (1621, 11628), (1938, 9726), (2907, 6484), (3242, 5814), (3876, 4863)]