16965684

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 45147648

約数和(自身を除く): 28181964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 47, 74, 94, 111, 141, 148, 188, 222, 271, 282, 333, 423, 444, 542, 564, 666, 813, 846, 1084, 1332, 1626, 1692, 1739, 2439, 3252, 3478, 4878, 5217, 6956, 9756, 10027, 10434, 12737, 15651, 20054, 20868, 25474, 30081, 31302, 38211, 40108, 50948, 60162, 62604, 76422, 90243, 114633, 120324, 152844, 180486, 229266, 360972, 458532, 471269, 942538, 1413807, 1885076, 2827614, 4241421, 5655228, 8482842, 16965684]

約数ペア:

[(1, 16965684), (2, 8482842), (3, 5655228), (4, 4241421), (6, 2827614), (9, 1885076), (12, 1413807), (18, 942538), (36, 471269), (37, 458532), (47, 360972), (74, 229266), (94, 180486), (111, 152844), (141, 120324), (148, 114633), (188, 90243), (222, 76422), (271, 62604), (282, 60162), (333, 50948), (423, 40108), (444, 38211), (542, 31302), (564, 30081), (666, 25474), (813, 20868), (846, 20054), (1084, 15651), (1332, 12737), (1626, 10434), (1692, 10027), (1739, 9756), (2439, 6956), (3252, 5217), (3478, 4878)]