19203370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 39004416

約数和(自身を除く): 19801046

約数列:

[1, 2, 5, 10, 17, 34, 37, 43, 71, 74, 85, 86, 142, 170, 185, 215, 355, 370, 430, 629, 710, 731, 1207, 1258, 1462, 1591, 2414, 2627, 3053, 3145, 3182, 3655, 5254, 6035, 6106, 6290, 7310, 7955, 12070, 13135, 15265, 15910, 26270, 27047, 30530, 44659, 51901, 54094, 89318, 103802, 112961, 135235, 223295, 225922, 259505, 270470, 446590, 519010, 564805, 1129610, 1920337, 3840674, 9601685, 19203370]

約数ペア:

[(1, 19203370), (2, 9601685), (5, 3840674), (10, 1920337), (17, 1129610), (34, 564805), (37, 519010), (43, 446590), (71, 270470), (74, 259505), (85, 225922), (86, 223295), (142, 135235), (170, 112961), (185, 103802), (215, 89318), (355, 54094), (370, 51901), (430, 44659), (629, 30530), (710, 27047), (731, 26270), (1207, 15910), (1258, 15265), (1462, 13135), (1591, 12070), (2414, 7955), (2627, 7310), (3053, 6290), (3145, 6106), (3182, 6035), (3655, 5254)]