19965504

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 112

約数和(自身を含む): 60025280

約数和(自身を除く): 40059776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 152, 156, 192, 208, 228, 247, 304, 312, 416, 421, 456, 494, 608, 624, 741, 832, 842, 912, 988, 1216, 1248, 1263, 1482, 1684, 1824, 1976, 2496, 2526, 2964, 3368, 3648, 3952, 5052, 5473, 5928, 6736, 7904, 7999, 10104, 10946, 11856, 13472, 15808, 15998, 16419, 20208, 21892, 23712, 23997, 26944, 31996, 32838, 40416, 43784, 47424, 47994, 63992, 65676, 80832, 87568, 95988, 103987, 127984, 131352, 175136, 191976, 207974, 255968, 262704, 311961, 350272, 383952, 415948, 511936, 525408, 623922, 767904, 831896, 1050816, 1247844, 1535808, 1663792, 2495688, 3327584, 4991376, 6655168, 9982752, 19965504]

約数ペア:

[(1, 19965504), (2, 9982752), (3, 6655168), (4, 4991376), (6, 3327584), (8, 2495688), (12, 1663792), (13, 1535808), (16, 1247844), (19, 1050816), (24, 831896), (26, 767904), (32, 623922), (38, 525408), (39, 511936), (48, 415948), (52, 383952), (57, 350272), (64, 311961), (76, 262704), (78, 255968), (96, 207974), (104, 191976), (114, 175136), (152, 131352), (156, 127984), (192, 103987), (208, 95988), (228, 87568), (247, 80832), (304, 65676), (312, 63992), (416, 47994), (421, 47424), (456, 43784), (494, 40416), (608, 32838), (624, 31996), (741, 26944), (832, 23997), (842, 23712), (912, 21892), (988, 20208), (1216, 16419), (1248, 15998), (1263, 15808), (1482, 13472), (1684, 11856), (1824, 10946), (1976, 10104), (2496, 7999), (2526, 7904), (2964, 6736), (3368, 5928), (3648, 5473), (3952, 5052)]