19758180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 60568704

約数和(自身を除く): 40810524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 146, 156, 195, 219, 260, 292, 347, 365, 390, 438, 694, 730, 780, 876, 949, 1041, 1095, 1388, 1460, 1735, 1898, 2082, 2190, 2847, 3470, 3796, 4164, 4380, 4511, 4745, 5205, 5694, 6940, 9022, 9490, 10410, 11388, 13533, 14235, 18044, 18980, 20820, 22555, 25331, 27066, 28470, 45110, 50662, 54132, 56940, 67665, 75993, 90220, 101324, 126655, 135330, 151986, 253310, 270660, 303972, 329303, 379965, 506620, 658606, 759930, 987909, 1317212, 1519860, 1646515, 1975818, 3293030, 3951636, 4939545, 6586060, 9879090, 19758180]

約数ペア:

[(1, 19758180), (2, 9879090), (3, 6586060), (4, 4939545), (5, 3951636), (6, 3293030), (10, 1975818), (12, 1646515), (13, 1519860), (15, 1317212), (20, 987909), (26, 759930), (30, 658606), (39, 506620), (52, 379965), (60, 329303), (65, 303972), (73, 270660), (78, 253310), (130, 151986), (146, 135330), (156, 126655), (195, 101324), (219, 90220), (260, 75993), (292, 67665), (347, 56940), (365, 54132), (390, 50662), (438, 45110), (694, 28470), (730, 27066), (780, 25331), (876, 22555), (949, 20820), (1041, 18980), (1095, 18044), (1388, 14235), (1460, 13533), (1735, 11388), (1898, 10410), (2082, 9490), (2190, 9022), (2847, 6940), (3470, 5694), (3796, 5205), (4164, 4745), (4380, 4511)]