19318212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 52357760

約数和(自身を除く): 33039548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 463, 549, 684, 732, 926, 1098, 1159, 1389, 1852, 2196, 2318, 2778, 3477, 4167, 4636, 5556, 6954, 8334, 8797, 10431, 13908, 16668, 17594, 20862, 26391, 28243, 35188, 41724, 52782, 56486, 79173, 84729, 105564, 112972, 158346, 169458, 254187, 316692, 338916, 508374, 536617, 1016748, 1073234, 1609851, 2146468, 3219702, 4829553, 6439404, 9659106, 19318212]

約数ペア:

[(1, 19318212), (2, 9659106), (3, 6439404), (4, 4829553), (6, 3219702), (9, 2146468), (12, 1609851), (18, 1073234), (19, 1016748), (36, 536617), (38, 508374), (57, 338916), (61, 316692), (76, 254187), (114, 169458), (122, 158346), (171, 112972), (183, 105564), (228, 84729), (244, 79173), (342, 56486), (366, 52782), (463, 41724), (549, 35188), (684, 28243), (732, 26391), (926, 20862), (1098, 17594), (1159, 16668), (1389, 13908), (1852, 10431), (2196, 8797), (2318, 8334), (2778, 6954), (3477, 5556), (4167, 4636)]