19857050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 39854592

約数和(自身を除く): 19997542

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 115, 155, 230, 310, 557, 575, 713, 775, 1114, 1150, 1426, 1550, 2785, 3565, 5570, 7130, 12811, 13925, 17267, 17825, 25622, 27850, 34534, 35650, 64055, 86335, 128110, 172670, 320275, 397141, 431675, 640550, 794282, 863350, 1985705, 3971410, 9928525, 19857050]

約数ペア:

[(1, 19857050), (2, 9928525), (5, 3971410), (10, 1985705), (23, 863350), (25, 794282), (31, 640550), (46, 431675), (50, 397141), (62, 320275), (115, 172670), (155, 128110), (230, 86335), (310, 64055), (557, 35650), (575, 34534), (713, 27850), (775, 25622), (1114, 17825), (1150, 17267), (1426, 13925), (1550, 12811), (2785, 7130), (3565, 5570)]