19546029

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 30971160

約数和(自身を除く): 11425131

約数列:

[1, 3, 9, 27, 29, 53, 81, 87, 157, 159, 261, 471, 477, 783, 1413, 1431, 1537, 2349, 4239, 4293, 4553, 4611, 8321, 12717, 13659, 13833, 24963, 40977, 41499, 74889, 122931, 124497, 224667, 241309, 368793, 674001, 723927, 2171781, 6515343, 19546029]

約数ペア:

[(1, 19546029), (3, 6515343), (9, 2171781), (27, 723927), (29, 674001), (53, 368793), (81, 241309), (87, 224667), (157, 124497), (159, 122931), (261, 74889), (471, 41499), (477, 40977), (783, 24963), (1413, 13833), (1431, 13659), (1537, 12717), (2349, 8321), (4239, 4611), (4293, 4553)]