19221228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 53192048

約数和(自身を除く): 33970820

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 613, 804, 871, 1206, 1226, 1742, 1839, 2412, 2452, 2613, 3484, 3678, 5226, 5517, 7356, 7839, 7969, 10452, 11034, 15678, 15938, 22068, 23907, 31356, 31876, 41071, 47814, 71721, 82142, 95628, 123213, 143442, 164284, 246426, 286884, 369639, 492852, 533923, 739278, 1067846, 1478556, 1601769, 2135692, 3203538, 4805307, 6407076, 9610614, 19221228]

約数ペア:

[(1, 19221228), (2, 9610614), (3, 6407076), (4, 4805307), (6, 3203538), (9, 2135692), (12, 1601769), (13, 1478556), (18, 1067846), (26, 739278), (36, 533923), (39, 492852), (52, 369639), (67, 286884), (78, 246426), (117, 164284), (134, 143442), (156, 123213), (201, 95628), (234, 82142), (268, 71721), (402, 47814), (468, 41071), (603, 31876), (613, 31356), (804, 23907), (871, 22068), (1206, 15938), (1226, 15678), (1742, 11034), (1839, 10452), (2412, 7969), (2452, 7839), (2613, 7356), (3484, 5517), (3678, 5226)]