19043325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 39693888

約数和(自身を除く): 20650563

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 107, 113, 175, 225, 315, 321, 339, 525, 535, 565, 749, 791, 963, 1017, 1575, 1605, 1695, 2247, 2373, 2675, 2825, 3745, 3955, 4815, 5085, 6741, 7119, 8025, 8475, 11235, 11865, 12091, 18725, 19775, 24075, 25425, 33705, 35595, 36273, 56175, 59325, 60455, 84637, 108819, 168525, 177975, 181365, 253911, 302275, 423185, 544095, 761733, 906825, 1269555, 2115925, 2720475, 3808665, 6347775, 19043325]

約数ペア:

[(1, 19043325), (3, 6347775), (5, 3808665), (7, 2720475), (9, 2115925), (15, 1269555), (21, 906825), (25, 761733), (35, 544095), (45, 423185), (63, 302275), (75, 253911), (105, 181365), (107, 177975), (113, 168525), (175, 108819), (225, 84637), (315, 60455), (321, 59325), (339, 56175), (525, 36273), (535, 35595), (565, 33705), (749, 25425), (791, 24075), (963, 19775), (1017, 18725), (1575, 12091), (1605, 11865), (1695, 11235), (2247, 8475), (2373, 8025), (2675, 7119), (2825, 6741), (3745, 5085), (3955, 4815)]