19681104

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 54639360

約数和(自身を除く): 34958256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 89, 102, 136, 178, 204, 267, 271, 272, 356, 408, 534, 542, 712, 813, 816, 1068, 1084, 1424, 1513, 1626, 2136, 2168, 3026, 3252, 4272, 4336, 4539, 4607, 6052, 6504, 9078, 9214, 12104, 13008, 13821, 18156, 18428, 24119, 24208, 27642, 36312, 36856, 48238, 55284, 72357, 72624, 73712, 96476, 110568, 144714, 192952, 221136, 289428, 385904, 410023, 578856, 820046, 1157712, 1230069, 1640092, 2460138, 3280184, 4920276, 6560368, 9840552, 19681104]

約数ペア:

[(1, 19681104), (2, 9840552), (3, 6560368), (4, 4920276), (6, 3280184), (8, 2460138), (12, 1640092), (16, 1230069), (17, 1157712), (24, 820046), (34, 578856), (48, 410023), (51, 385904), (68, 289428), (89, 221136), (102, 192952), (136, 144714), (178, 110568), (204, 96476), (267, 73712), (271, 72624), (272, 72357), (356, 55284), (408, 48238), (534, 36856), (542, 36312), (712, 27642), (813, 24208), (816, 24119), (1068, 18428), (1084, 18156), (1424, 13821), (1513, 13008), (1626, 12104), (2136, 9214), (2168, 9078), (3026, 6504), (3252, 6052), (4272, 4607), (4336, 4539)]