19798350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 58817664

約数和(自身を除く): 39019314

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 71, 75, 78, 110, 130, 142, 143, 150, 165, 169, 195, 213, 275, 286, 325, 330, 338, 355, 390, 426, 429, 507, 550, 650, 710, 715, 781, 825, 845, 858, 923, 975, 1014, 1065, 1430, 1562, 1650, 1690, 1775, 1846, 1859, 1950, 2130, 2145, 2343, 2535, 2769, 3550, 3575, 3718, 3905, 4225, 4290, 4615, 4686, 5070, 5325, 5538, 5577, 7150, 7810, 8450, 9230, 9295, 10153, 10650, 10725, 11154, 11715, 11999, 12675, 13845, 18590, 19525, 20306, 21450, 23075, 23430, 23998, 25350, 27690, 27885, 30459, 35997, 39050, 46150, 46475, 50765, 55770, 58575, 59995, 60918, 69225, 71994, 92950, 101530, 117150, 119990, 131989, 138450, 139425, 152295, 179985, 253825, 263978, 278850, 299975, 304590, 359970, 395967, 507650, 599950, 659945, 761475, 791934, 899925, 1319890, 1522950, 1799850, 1979835, 3299725, 3959670, 6599450, 9899175, 19798350]

約数ペア:

[(1, 19798350), (2, 9899175), (3, 6599450), (5, 3959670), (6, 3299725), (10, 1979835), (11, 1799850), (13, 1522950), (15, 1319890), (22, 899925), (25, 791934), (26, 761475), (30, 659945), (33, 599950), (39, 507650), (50, 395967), (55, 359970), (65, 304590), (66, 299975), (71, 278850), (75, 263978), (78, 253825), (110, 179985), (130, 152295), (142, 139425), (143, 138450), (150, 131989), (165, 119990), (169, 117150), (195, 101530), (213, 92950), (275, 71994), (286, 69225), (325, 60918), (330, 59995), (338, 58575), (355, 55770), (390, 50765), (426, 46475), (429, 46150), (507, 39050), (550, 35997), (650, 30459), (710, 27885), (715, 27690), (781, 25350), (825, 23998), (845, 23430), (858, 23075), (923, 21450), (975, 20306), (1014, 19525), (1065, 18590), (1430, 13845), (1562, 12675), (1650, 11999), (1690, 11715), (1775, 11154), (1846, 10725), (1859, 10650), (1950, 10153), (2130, 9295), (2145, 9230), (2343, 8450), (2535, 7810), (2769, 7150), (3550, 5577), (3575, 5538), (3718, 5325), (3905, 5070), (4225, 4686), (4290, 4615)]