19892754

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 33886062

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 37, 42, 51, 63, 74, 102, 111, 119, 126, 153, 222, 238, 251, 259, 306, 333, 357, 502, 518, 629, 666, 714, 753, 777, 1071, 1258, 1506, 1554, 1757, 1887, 2142, 2259, 2331, 3514, 3774, 4267, 4403, 4518, 4662, 5271, 5661, 8534, 8806, 9287, 10542, 11322, 12801, 13209, 15813, 18574, 25602, 26418, 27861, 29869, 31626, 38403, 39627, 55722, 59738, 65009, 76806, 79254, 83583, 89607, 130018, 157879, 167166, 179214, 195027, 268821, 315758, 390054, 473637, 537642, 585081, 947274, 1105153, 1170162, 1420911, 2210306, 2841822, 3315459, 6630918, 9946377, 19892754]

約数ペア:

[(1, 19892754), (2, 9946377), (3, 6630918), (6, 3315459), (7, 2841822), (9, 2210306), (14, 1420911), (17, 1170162), (18, 1105153), (21, 947274), (34, 585081), (37, 537642), (42, 473637), (51, 390054), (63, 315758), (74, 268821), (102, 195027), (111, 179214), (119, 167166), (126, 157879), (153, 130018), (222, 89607), (238, 83583), (251, 79254), (259, 76806), (306, 65009), (333, 59738), (357, 55722), (502, 39627), (518, 38403), (629, 31626), (666, 29869), (714, 27861), (753, 26418), (777, 25602), (1071, 18574), (1258, 15813), (1506, 13209), (1554, 12801), (1757, 11322), (1887, 10542), (2142, 9287), (2259, 8806), (2331, 8534), (3514, 5661), (3774, 5271), (4267, 4662), (4403, 4518)]