18995256

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:778

約数の個数: 128

約数和(自身を含む): 63936000

約数和(自身を除く): 44940744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 84, 102, 108, 119, 126, 136, 153, 168, 189, 204, 216, 238, 252, 306, 357, 378, 408, 459, 476, 504, 612, 714, 739, 756, 918, 952, 1071, 1224, 1428, 1478, 1512, 1836, 2142, 2217, 2856, 2956, 3213, 3672, 4284, 4434, 5173, 5912, 6426, 6651, 8568, 8868, 10346, 12563, 12852, 13302, 15519, 17736, 19953, 20692, 25126, 25704, 26604, 31038, 37689, 39906, 41384, 46557, 50252, 53208, 62076, 75378, 79812, 87941, 93114, 100504, 113067, 124152, 139671, 150756, 159624, 175882, 186228, 226134, 263823, 279342, 301512, 339201, 351764, 372456, 452268, 527646, 558684, 678402, 703528, 791469, 904536, 1055292, 1117368, 1356804, 1582938, 2110584, 2374407, 2713608, 3165876, 4748814, 6331752, 9497628, 18995256]

約数ペア:

[(1, 18995256), (2, 9497628), (3, 6331752), (4, 4748814), (6, 3165876), (7, 2713608), (8, 2374407), (9, 2110584), (12, 1582938), (14, 1356804), (17, 1117368), (18, 1055292), (21, 904536), (24, 791469), (27, 703528), (28, 678402), (34, 558684), (36, 527646), (42, 452268), (51, 372456), (54, 351764), (56, 339201), (63, 301512), (68, 279342), (72, 263823), (84, 226134), (102, 186228), (108, 175882), (119, 159624), (126, 150756), (136, 139671), (153, 124152), (168, 113067), (189, 100504), (204, 93114), (216, 87941), (238, 79812), (252, 75378), (306, 62076), (357, 53208), (378, 50252), (408, 46557), (459, 41384), (476, 39906), (504, 37689), (612, 31038), (714, 26604), (739, 25704), (756, 25126), (918, 20692), (952, 19953), (1071, 17736), (1224, 15519), (1428, 13302), (1478, 12852), (1512, 12563), (1836, 10346), (2142, 8868), (2217, 8568), (2856, 6651), (2956, 6426), (3213, 5912), (3672, 5173), (4284, 4434)]