18772488

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 62821980

約数和(自身を除く): 44049492

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 49, 51, 56, 63, 68, 72, 84, 98, 102, 119, 126, 136, 147, 153, 168, 196, 204, 238, 252, 294, 306, 313, 357, 392, 408, 441, 476, 504, 588, 612, 626, 714, 833, 882, 939, 952, 1071, 1176, 1224, 1252, 1428, 1666, 1764, 1878, 2142, 2191, 2499, 2504, 2817, 2856, 3332, 3528, 3756, 4284, 4382, 4998, 5321, 5634, 6573, 6664, 7497, 7512, 8568, 8764, 9996, 10642, 11268, 13146, 14994, 15337, 15963, 17528, 19719, 19992, 21284, 22536, 26292, 29988, 30674, 31926, 37247, 39438, 42568, 46011, 47889, 52584, 59976, 61348, 63852, 74494, 78876, 92022, 95778, 111741, 122696, 127704, 138033, 148988, 157752, 184044, 191556, 223482, 260729, 276066, 297976, 335223, 368088, 383112, 446964, 521458, 552132, 670446, 782187, 893928, 1042916, 1104264, 1340892, 1564374, 2085832, 2346561, 2681784, 3128748, 4693122, 6257496, 9386244, 18772488]

約数ペア:

[(1, 18772488), (2, 9386244), (3, 6257496), (4, 4693122), (6, 3128748), (7, 2681784), (8, 2346561), (9, 2085832), (12, 1564374), (14, 1340892), (17, 1104264), (18, 1042916), (21, 893928), (24, 782187), (28, 670446), (34, 552132), (36, 521458), (42, 446964), (49, 383112), (51, 368088), (56, 335223), (63, 297976), (68, 276066), (72, 260729), (84, 223482), (98, 191556), (102, 184044), (119, 157752), (126, 148988), (136, 138033), (147, 127704), (153, 122696), (168, 111741), (196, 95778), (204, 92022), (238, 78876), (252, 74494), (294, 63852), (306, 61348), (313, 59976), (357, 52584), (392, 47889), (408, 46011), (441, 42568), (476, 39438), (504, 37247), (588, 31926), (612, 30674), (626, 29988), (714, 26292), (833, 22536), (882, 21284), (939, 19992), (952, 19719), (1071, 17528), (1176, 15963), (1224, 15337), (1252, 14994), (1428, 13146), (1666, 11268), (1764, 10642), (1878, 9996), (2142, 8764), (2191, 8568), (2499, 7512), (2504, 7497), (2817, 6664), (2856, 6573), (3332, 5634), (3528, 5321), (3756, 4998), (4284, 4382)]