19995264

素因数分解:

$2^7\times 3^2\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1058

約数の個数: 96

約数和(自身を含む): 60982740

約数和(自身を除く): 40987476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 272, 288, 306, 384, 408, 544, 576, 612, 816, 1021, 1088, 1152, 1224, 1632, 2042, 2176, 2448, 3063, 3264, 4084, 4896, 6126, 6528, 8168, 9189, 9792, 12252, 16336, 17357, 18378, 19584, 24504, 32672, 34714, 36756, 49008, 52071, 65344, 69428, 73512, 98016, 104142, 130688, 138856, 147024, 156213, 196032, 208284, 277712, 294048, 312426, 392064, 416568, 555424, 588096, 624852, 833136, 1110848, 1176192, 1249704, 1666272, 2221696, 2499408, 3332544, 4998816, 6665088, 9997632, 19995264]

約数ペア:

[(1, 19995264), (2, 9997632), (3, 6665088), (4, 4998816), (6, 3332544), (8, 2499408), (9, 2221696), (12, 1666272), (16, 1249704), (17, 1176192), (18, 1110848), (24, 833136), (32, 624852), (34, 588096), (36, 555424), (48, 416568), (51, 392064), (64, 312426), (68, 294048), (72, 277712), (96, 208284), (102, 196032), (128, 156213), (136, 147024), (144, 138856), (153, 130688), (192, 104142), (204, 98016), (272, 73512), (288, 69428), (306, 65344), (384, 52071), (408, 49008), (544, 36756), (576, 34714), (612, 32672), (816, 24504), (1021, 19584), (1088, 18378), (1152, 17357), (1224, 16336), (1632, 12252), (2042, 9792), (2176, 9189), (2448, 8168), (3063, 6528), (3264, 6126), (4084, 4896)]