18988524

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 37620756

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 23, 34, 36, 38, 46, 51, 57, 68, 69, 71, 76, 92, 102, 114, 138, 142, 153, 171, 204, 207, 213, 228, 276, 284, 306, 323, 342, 391, 414, 426, 437, 612, 639, 646, 684, 782, 828, 852, 874, 969, 1173, 1207, 1278, 1292, 1311, 1349, 1564, 1633, 1748, 1938, 2346, 2414, 2556, 2622, 2698, 2907, 3266, 3519, 3621, 3876, 3933, 4047, 4692, 4828, 4899, 5244, 5396, 5814, 6532, 7038, 7242, 7429, 7866, 8094, 9798, 10863, 11628, 12141, 14076, 14484, 14697, 14858, 15732, 16188, 19596, 21726, 22287, 22933, 24282, 27761, 29394, 29716, 31027, 43452, 44574, 45866, 48564, 55522, 58788, 62054, 66861, 68799, 83283, 89148, 91732, 93081, 111044, 124108, 133722, 137598, 166566, 186162, 206397, 249849, 267444, 275196, 279243, 333132, 372324, 412794, 499698, 527459, 558486, 825588, 999396, 1054918, 1116972, 1582377, 2109836, 3164754, 4747131, 6329508, 9494262, 18988524]

約数ペア:

[(1, 18988524), (2, 9494262), (3, 6329508), (4, 4747131), (6, 3164754), (9, 2109836), (12, 1582377), (17, 1116972), (18, 1054918), (19, 999396), (23, 825588), (34, 558486), (36, 527459), (38, 499698), (46, 412794), (51, 372324), (57, 333132), (68, 279243), (69, 275196), (71, 267444), (76, 249849), (92, 206397), (102, 186162), (114, 166566), (138, 137598), (142, 133722), (153, 124108), (171, 111044), (204, 93081), (207, 91732), (213, 89148), (228, 83283), (276, 68799), (284, 66861), (306, 62054), (323, 58788), (342, 55522), (391, 48564), (414, 45866), (426, 44574), (437, 43452), (612, 31027), (639, 29716), (646, 29394), (684, 27761), (782, 24282), (828, 22933), (852, 22287), (874, 21726), (969, 19596), (1173, 16188), (1207, 15732), (1278, 14858), (1292, 14697), (1311, 14484), (1349, 14076), (1564, 12141), (1633, 11628), (1748, 10863), (1938, 9798), (2346, 8094), (2414, 7866), (2556, 7429), (2622, 7242), (2698, 7038), (2907, 6532), (3266, 5814), (3519, 5396), (3621, 5244), (3876, 4899), (3933, 4828), (4047, 4692)]