18418125

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 80

約数和(自身を含む): 35988480

約数和(自身を除く): 17570355

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 47, 55, 57, 75, 95, 125, 141, 165, 209, 235, 275, 285, 375, 475, 517, 625, 627, 705, 825, 893, 1045, 1175, 1375, 1425, 1551, 1875, 2375, 2585, 2679, 3135, 3525, 4125, 4465, 5225, 5875, 6875, 7125, 7755, 9823, 11875, 12925, 13395, 15675, 17625, 20625, 22325, 26125, 29375, 29469, 35625, 38775, 49115, 64625, 66975, 78375, 88125, 111625, 130625, 147345, 193875, 245575, 323125, 334875, 391875, 558125, 736725, 969375, 1227875, 1674375, 3683625, 6139375, 18418125]

約数ペア:

[(1, 18418125), (3, 6139375), (5, 3683625), (11, 1674375), (15, 1227875), (19, 969375), (25, 736725), (33, 558125), (47, 391875), (55, 334875), (57, 323125), (75, 245575), (95, 193875), (125, 147345), (141, 130625), (165, 111625), (209, 88125), (235, 78375), (275, 66975), (285, 64625), (375, 49115), (475, 38775), (517, 35625), (625, 29469), (627, 29375), (705, 26125), (825, 22325), (893, 20625), (1045, 17625), (1175, 15675), (1375, 13395), (1425, 12925), (1551, 11875), (1875, 9823), (2375, 7755), (2585, 7125), (2679, 6875), (3135, 5875), (3525, 5225), (4125, 4465)]