19952526525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{21247}}^1$

素因数の和:21938

約数の個数: 48

約数和(自身を含む): 34778726400

約数和(自身を除く): 14826199875

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 659, 1425, 1977, 3295, 9885, 12521, 16475, 21247, 37563, 49425, 62605, 63741, 106235, 187815, 313025, 318705, 403693, 531175, 939075, 1211079, 1593525, 2018465, 6055395, 10092325, 14001773, 30276975, 42005319, 70008865, 210026595, 266033687, 350044325, 798101061, 1050132975, 1330168435, 3990505305, 6650842175, 19952526525]

約数ペア:

[(1, 19952526525), (3, 6650842175), (5, 3990505305), (15, 1330168435), (19, 1050132975), (25, 798101061), (57, 350044325), (75, 266033687), (95, 210026595), (285, 70008865), (475, 42005319), (659, 30276975), (1425, 14001773), (1977, 10092325), (3295, 6055395), (9885, 2018465), (12521, 1593525), (16475, 1211079), (21247, 939075), (37563, 531175), (49425, 403693), (62605, 318705), (63741, 313025), (106235, 187815)]