19479620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 47029248

約数和(自身を除く): 27549628

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 47, 53, 68, 85, 92, 94, 106, 115, 170, 188, 212, 230, 235, 265, 340, 391, 460, 470, 530, 782, 799, 901, 940, 1060, 1081, 1219, 1564, 1598, 1802, 1955, 2162, 2438, 2491, 3196, 3604, 3910, 3995, 4324, 4505, 4876, 4982, 5405, 6095, 7820, 7990, 9010, 9964, 10810, 12190, 12455, 15980, 18020, 18377, 20723, 21620, 24380, 24910, 36754, 41446, 42347, 49820, 57293, 73508, 82892, 84694, 91885, 103615, 114586, 169388, 183770, 207230, 211735, 229172, 286465, 367540, 414460, 423470, 572930, 846940, 973981, 1145860, 1947962, 3895924, 4869905, 9739810, 19479620]

約数ペア:

[(1, 19479620), (2, 9739810), (4, 4869905), (5, 3895924), (10, 1947962), (17, 1145860), (20, 973981), (23, 846940), (34, 572930), (46, 423470), (47, 414460), (53, 367540), (68, 286465), (85, 229172), (92, 211735), (94, 207230), (106, 183770), (115, 169388), (170, 114586), (188, 103615), (212, 91885), (230, 84694), (235, 82892), (265, 73508), (340, 57293), (391, 49820), (460, 42347), (470, 41446), (530, 36754), (782, 24910), (799, 24380), (901, 21620), (940, 20723), (1060, 18377), (1081, 18020), (1219, 15980), (1564, 12455), (1598, 12190), (1802, 10810), (1955, 9964), (2162, 9010), (2438, 7990), (2491, 7820), (3196, 6095), (3604, 5405), (3910, 4982), (3995, 4876), (4324, 4505)]