17918748

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 53464320

約数和(自身を除く): 35545572

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 23, 34, 36, 38, 46, 51, 57, 67, 68, 69, 76, 92, 102, 114, 134, 138, 153, 171, 201, 204, 207, 228, 268, 276, 306, 323, 342, 391, 402, 414, 437, 603, 612, 646, 684, 782, 804, 828, 874, 969, 1139, 1173, 1206, 1273, 1292, 1311, 1541, 1564, 1748, 1938, 2278, 2346, 2412, 2546, 2622, 2907, 3082, 3417, 3519, 3819, 3876, 3933, 4556, 4623, 4692, 5092, 5244, 5814, 6164, 6834, 7038, 7429, 7638, 7866, 9246, 10251, 11457, 11628, 13668, 13869, 14076, 14858, 15276, 15732, 18492, 20502, 21641, 22287, 22914, 26197, 27738, 29279, 29716, 41004, 43282, 44574, 45828, 52394, 55476, 58558, 64923, 66861, 78591, 86564, 87837, 89148, 104788, 117116, 129846, 133722, 157182, 175674, 194769, 235773, 259692, 263511, 267444, 314364, 351348, 389538, 471546, 497743, 527022, 779076, 943092, 995486, 1054044, 1493229, 1990972, 2986458, 4479687, 5972916, 8959374, 17918748]

約数ペア:

[(1, 17918748), (2, 8959374), (3, 5972916), (4, 4479687), (6, 2986458), (9, 1990972), (12, 1493229), (17, 1054044), (18, 995486), (19, 943092), (23, 779076), (34, 527022), (36, 497743), (38, 471546), (46, 389538), (51, 351348), (57, 314364), (67, 267444), (68, 263511), (69, 259692), (76, 235773), (92, 194769), (102, 175674), (114, 157182), (134, 133722), (138, 129846), (153, 117116), (171, 104788), (201, 89148), (204, 87837), (207, 86564), (228, 78591), (268, 66861), (276, 64923), (306, 58558), (323, 55476), (342, 52394), (391, 45828), (402, 44574), (414, 43282), (437, 41004), (603, 29716), (612, 29279), (646, 27738), (684, 26197), (782, 22914), (804, 22287), (828, 21641), (874, 20502), (969, 18492), (1139, 15732), (1173, 15276), (1206, 14858), (1273, 14076), (1292, 13869), (1311, 13668), (1541, 11628), (1564, 11457), (1748, 10251), (1938, 9246), (2278, 7866), (2346, 7638), (2412, 7429), (2546, 7038), (2622, 6834), (2907, 6164), (3082, 5814), (3417, 5244), (3519, 5092), (3819, 4692), (3876, 4623), (3933, 4556)]