19490094

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 47104200

約数和(自身を除く): 27614106

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 149, 169, 234, 258, 298, 338, 387, 447, 507, 559, 774, 894, 1014, 1118, 1341, 1521, 1677, 1937, 2682, 3042, 3354, 3874, 5031, 5811, 6407, 7267, 10062, 11622, 12814, 14534, 17433, 19221, 21801, 25181, 34866, 38442, 43602, 50362, 57663, 65403, 75543, 83291, 115326, 130806, 151086, 166582, 226629, 249873, 453258, 499746, 749619, 1082783, 1499238, 2165566, 3248349, 6496698, 9745047, 19490094]

約数ペア:

[(1, 19490094), (2, 9745047), (3, 6496698), (6, 3248349), (9, 2165566), (13, 1499238), (18, 1082783), (26, 749619), (39, 499746), (43, 453258), (78, 249873), (86, 226629), (117, 166582), (129, 151086), (149, 130806), (169, 115326), (234, 83291), (258, 75543), (298, 65403), (338, 57663), (387, 50362), (447, 43602), (507, 38442), (559, 34866), (774, 25181), (894, 21801), (1014, 19221), (1118, 17433), (1341, 14534), (1521, 12814), (1677, 11622), (1937, 10062), (2682, 7267), (3042, 6407), (3354, 5811), (3874, 5031)]